Attachment 339090 Details for Bug 183442 – Patch

[patch] Patch

bug-183442-20180429095646.patch (text/plain), 152.98 KB, created by GSkachkov on 2018-04-28 23:57:21 PDT

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Creator: GSkachkov

Created: 2018-04-28 23:57:21 PDT

Size: 152.98 KB

patch

obsolete

>Subversion Revision: 231146
>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index e736a31461c5e8f256a69a399ce518e3c5838a54..e8bd605cfbbd9e55cc05a219ca452d36b17a47a9 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,44 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add WebAssembly stream API. Current patch only add functions
>+        WebAssembly.compileStreaming and WebAssembly.instantiateStreaming but,
>+        does not add streaming way of the implementation. So in current version it
>+        only wait for load whole module, than start to parse.
>+
>+        * CMakeLists.txt:
>+        * Configurations/FeatureDefines.xcconfig:
>+        * DerivedSources.make:
>+        * JavaScriptCore.xcodeproj/project.pbxproj:
>+        * builtins/BuiltinNames.h:
>+        * builtins/WebAssemblyPrototype.js: Copied from Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.h.
>+        (compileStreaming):
>+        (instantiateStreaming):
>+        * jsc.cpp:
>+        * runtime/JSGlobalObject.cpp:
>+        (JSC::JSGlobalObject::init):
>+        * runtime/JSGlobalObject.h:
>+        * runtime/Options.h:
>+        * runtime/PromiseDeferredTimer.cpp:
>+        (JSC::PromiseDeferredTimer::hasPendingPromise):
>+        (JSC::PromiseDeferredTimer::hasDependancyInPendingPromise):
>+        * runtime/PromiseDeferredTimer.h:
>+        * wasm/js/WebAssemblyPrototype.cpp:
>+        (JSC::webAssemblyModuleValidateAsyncInternal):
>+        (JSC::webAssemblyCompileFunc):
>+        (JSC::WebAssemblyPrototype::webAssemblyModuleValidateAsync):
>+        (JSC::webAssemblyModuleInstantinateAsyncInternal):
>+        (JSC::WebAssemblyPrototype::webAssemblyModuleInstantinateAsync):
>+        (JSC::webAssemblyCompileStreamingInternal):
>+        (JSC::webAssemblyInstantiateStreamingInternal):
>+        (JSC::WebAssemblyPrototype::create):
>+        (JSC::WebAssemblyPrototype::finishCreation):
>+        * wasm/js/WebAssemblyPrototype.h:
>+
> 2018-04-28  Saam Barati  <sbarati@apple.com>
> 
>         We don't model regexp effects properly
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index fc0ba270048186b77f44bf8ef52dac0e816669fc..067bb6e062b0280370e2651145ae187d4b7cfe5c 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,23 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add WebAssembly streaming API to WebCore.
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+        * bindings/js/JSDOMWindowBase.cpp:
>+        (WebCore::tryAllocate):
>+        (WebCore::isResponseCorrect):
>+        (WebCore::handleResponseOnStreamingAction):
>+        (WebCore::JSDOMWindowBase::compileStreaming):
>+        (WebCore::JSDOMWindowBase::instantiateStreaming):
>+        * bindings/js/JSDOMWindowBase.h:
>+        * bindings/js/JSRemoteDOMWindowBase.cpp:
>+        * bindings/js/JSWorkerGlobalScopeBase.cpp:
>+
> 2018-04-28  Sihui Liu  <sihui_liu@apple.com>
> 
>         [Cocoa] Set HTTPOnly flag when converting Cookie to NSHTTPCookie
>diff --git a/Source/WebCore/PAL/ChangeLog b/Source/WebCore/PAL/ChangeLog
>index 2f9fb5991c075aaf043e754f339505ffd539e4ed..12494b42729fdb203ef60e2ccb6e70c46f6fc81b 100644
>--- a/Source/WebCore/PAL/ChangeLog
>+++ b/Source/WebCore/PAL/ChangeLog
>@@ -1,3 +1,14 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add WEBASSEMBLY_STREAMING_API feature flag
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-04-26  Jer Noble  <jer.noble@apple.com>
> 
>         WK_COCOA_TOUCH all the things.
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 2ca3cdf1450ec2dbed89c81da56218169d7e28c7..1fc7929e574cfbd3247542d947f7d61d9ee3d838 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,14 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add WEBASSEMBLY_STREAMING_API feature flag
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-04-28  Andy Estes  <aestes@apple.com>
> 
>         [iOS] Present an action sheet when long-pressing on PDF links
>diff --git a/Source/WebKitLegacy/mac/ChangeLog b/Source/WebKitLegacy/mac/ChangeLog
>index 56fd0cb47bf6753964f7330baea8577b140c4cb3..07886c03d4b6035b166deb5707217804d01dc9b3 100644
>--- a/Source/WebKitLegacy/mac/ChangeLog
>+++ b/Source/WebKitLegacy/mac/ChangeLog
>@@ -1,3 +1,14 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add WEBASSEMBLY_STREAMINNG_API feature flag
>+
>+        * Configurations/FeatureDefines.xcconfig:
>+
> 2018-04-27  Chris Dumez  <cdumez@apple.com>
> 
>         Use WindowProxy instead of DOMWindow in our IDL
>diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
>index fdd5f6f16e2cb1877a7463ce18b1206a33cc4dbe..b78c037c29e4e4631434152acfbf8d9b81a47fac 100644
>--- a/Source/JavaScriptCore/CMakeLists.txt
>+++ b/Source/JavaScriptCore/CMakeLists.txt
>@@ -929,6 +929,8 @@ set(JavaScriptCore_PRIVATE_FRAMEWORK_HEADERS
>     wasm/WasmTierUpCount.h
> 
>     wasm/js/JSWebAssemblyModule.h
>+    wasm/js/WebAssemblyPrototype.h
>+
> 
>     yarr/RegularExpression.h
>     yarr/Yarr.h
>@@ -1121,6 +1123,7 @@ set(JavaScriptCore_BUILTINS_SOURCES
>     ${JAVASCRIPTCORE_DIR}/builtins/StringPrototype.js
>     ${JAVASCRIPTCORE_DIR}/builtins/TypedArrayConstructor.js
>     ${JAVASCRIPTCORE_DIR}/builtins/TypedArrayPrototype.js
>+    ${JAVASCRIPTCORE_DIR}/builtins/WebAssemblyPrototype.js
> )
> 
> add_custom_command(
>diff --git a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>index 50840d826a4f8ce055531a194735df51b5167faa..17b66798a8437de3f4588bbcf0dc5260d92a578c 100644
>--- a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>+++ b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
>@@ -355,6 +355,8 @@ ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN_macosx = ENABLE_VIDEO_USES_ELEMENT_FULLSCRE
> 
> ENABLE_WEBASSEMBLY = ;
> 
>+ENABLE_WEBASSEMBLY_STREAMING_API = ;
>+
> ENABLE_WEBGL = ENABLE_WEBGL;
> 
> ENABLE_WEBGL2 = ENABLE_WEBGL2;
>@@ -381,4 +383,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/JavaScriptCore/DerivedSources.make b/Source/JavaScriptCore/DerivedSources.make
>index 1012ff649781ef5162cb5d3eca60e4ae8be5ad14..d95cac50b5d6f567a8aeb87d5e390c8d88ff910f 100644
>--- a/Source/JavaScriptCore/DerivedSources.make
>+++ b/Source/JavaScriptCore/DerivedSources.make
>@@ -124,6 +124,7 @@ JavaScriptCore_BUILTINS_SOURCES = \
>     $(JavaScriptCore)/builtins/StringPrototype.js \
>     $(JavaScriptCore)/builtins/TypedArrayConstructor.js \
>     $(JavaScriptCore)/builtins/TypedArrayPrototype.js \
>+    $(JavaScriptCore)/builtins/WebAssemblyPrototype.js \
> #
> 
> # The combined output file depends on the contents of builtins and generator scripts, so
>diff --git a/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj b/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
>index 94435d8ae573baedffb1f6ad95dd0ce0225b5e73..9ebae9f8b8201358cb03a1929911be7d90de797f 100644
>--- a/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
>+++ b/Source/JavaScriptCore/JavaScriptCore.xcodeproj/project.pbxproj
>@@ -352,7 +352,7 @@
> 		0F61832F1C45BF070072450B /* AirLowerAfterRegAlloc.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F6183261C45BF070072450B /* AirLowerAfterRegAlloc.h */; };
> 		0F6183311C45BF070072450B /* AirLowerMacros.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F6183281C45BF070072450B /* AirLowerMacros.h */; };
> 		0F61833C1C45F62A0072450B /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 51F0EB6105C86C6B00E6DF1B /* Foundation.framework */; };
>-		0F61833D1C45F62A0072450B /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		0F61833D1C45F62A0072450B /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		0F6183451C45F6600072450B /* testair.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0F6183441C45F6600072450B /* testair.cpp */; settings = {COMPILER_FLAGS = "-O0 -DRELEASE_WITHOUT_OPTIMIZATIONS"; }; };
> 		0F620174143FCD330068B77C /* DFGVariableAccessData.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F620172143FCD2F0068B77C /* DFGVariableAccessData.h */; };
> 		0F620176143FCD3B0068B77C /* DFGBasicBlock.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F620170143FCD2F0068B77C /* DFGBasicBlock.h */; };
>@@ -437,7 +437,7 @@
> 		0F919D11157F332C004A4E7D /* JSSegmentedVariableObject.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F919D0F157F3327004A4E7D /* JSSegmentedVariableObject.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F919D2615853CE3004A4E7D /* Watchpoint.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F919D2315853CDE004A4E7D /* Watchpoint.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F9327521C20BCBA00CF6564 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 51F0EB6105C86C6B00E6DF1B /* Foundation.framework */; };
>-		0F9327531C20BCBA00CF6564 /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		0F9327531C20BCBA00CF6564 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		0F93275B1C20BCDF00CF6564 /* dynbench.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0F93275A1C20BCDF00CF6564 /* dynbench.cpp */; };
> 		0F93275F1C21EF7F00CF6564 /* JSObjectInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F93275E1C21EF7F00CF6564 /* JSObjectInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		0F93329E14CA7DC50085F3C6 /* CallLinkStatus.h in Headers */ = {isa = PBXBuildFile; fileRef = 0F93329414CA7DC10085F3C6 /* CallLinkStatus.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -663,7 +663,7 @@
> 		0FEC858F1BDACDC70080FF74 /* AirTmpInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FEC856A1BDACDC70080FF74 /* AirTmpInlines.h */; };
> 		0FEC85911BDACDC70080FF74 /* AirValidate.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FEC856C1BDACDC70080FF74 /* AirValidate.h */; };
> 		0FEC85A31BDB5CF10080FF74 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 51F0EB6105C86C6B00E6DF1B /* Foundation.framework */; };
>-		0FEC85A41BDB5CF10080FF74 /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		0FEC85A41BDB5CF10080FF74 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		0FEC85AF1BDB5D5E0080FF74 /* testb3.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0FEC85AE1BDB5D5E0080FF74 /* testb3.cpp */; settings = {COMPILER_FLAGS = "-O0 -DRELEASE_WITHOUT_OPTIMIZATIONS"; }; };
> 		0FEC85B31BDED9570080FF74 /* B3ConstPtrValue.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FEC85B21BDED9570080FF74 /* B3ConstPtrValue.h */; };
> 		0FEC85BA1BE1462F0080FF74 /* B3InsertionSet.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FEC85B51BE1462F0080FF74 /* B3InsertionSet.h */; };
>@@ -725,7 +725,7 @@
> 		0FFFC95E14EF90B700C72532 /* DFGPredictionPropagationPhase.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FFFC95214EF909500C72532 /* DFGPredictionPropagationPhase.h */; };
> 		0FFFC96014EF90BD00C72532 /* DFGVirtualRegisterAllocationPhase.h in Headers */ = {isa = PBXBuildFile; fileRef = 0FFFC95414EF909500C72532 /* DFGVirtualRegisterAllocationPhase.h */; };
> 		140D17D70E8AD4A9000CD17D /* JSBasePrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 140D17D60E8AD4A9000CD17D /* JSBasePrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
>-		141211310A48794D00480255 /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		141211310A48794D00480255 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		141211340A48795800480255 /* minidom.c in Sources */ = {isa = PBXBuildFile; fileRef = 141211020A48780900480255 /* minidom.c */; };
> 		14142E511B796ECE00F4BF4B /* UnlinkedFunctionExecutable.h in Headers */ = {isa = PBXBuildFile; fileRef = 14142E501B796ECE00F4BF4B /* UnlinkedFunctionExecutable.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		14142E531B796EDD00F4BF4B /* ExecutableInfo.h in Headers */ = {isa = PBXBuildFile; fileRef = 14142E521B796EDD00F4BF4B /* ExecutableInfo.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -787,7 +787,7 @@
> 		14B8EC720A5652090062BE54 /* CoreFoundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6560A4CF04B3B3E7008AE952 /* CoreFoundation.framework */; };
> 		14BA78F113AAB88F005B7C2C /* SlotVisitor.h in Headers */ = {isa = PBXBuildFile; fileRef = 14BA78F013AAB88F005B7C2C /* SlotVisitor.h */; settings = {ATTRIBUTES = (Private, ); }; };
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>-		14BD59C50A3E8F9F00BAF59C /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		14BD59C50A3E8F9F00BAF59C /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		14BE7D3317135CF400D1807A /* WeakInlines.h in Headers */ = {isa = PBXBuildFile; fileRef = 14BE7D3217135CF400D1807A /* WeakInlines.h */; settings = {ATTRIBUTES = (Private, ); }; };
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> 		14CA958B16AB50DE00938A06 /* StaticPropertyAnalyzer.h in Headers */ = {isa = PBXBuildFile; fileRef = 14CA958A16AB50DE00938A06 /* StaticPropertyAnalyzer.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -1053,7 +1053,7 @@
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>-		651122FD14046A4C002B101D /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		651122FD14046A4C002B101D /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		651122FE14046A4C002B101D /* libedit.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 5D5D8AD00E0D0EBE00F9C692 /* libedit.dylib */; };
> 		6511230714046B0A002B101D /* testRegExp.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 651122E5140469BA002B101D /* testRegExp.cpp */; };
> 		6514F21918B3E1670098FF8B /* Bytecodes.h in Headers */ = {isa = PBXBuildFile; fileRef = 6514F21718B3E1670098FF8B /* Bytecodes.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -1209,7 +1209,7 @@
> 		932F5BD60822A1C700736975 /* libobjc.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 51F0EC0705C86C9A00E6DF1B /* libobjc.dylib */; };
> 		932F5BD70822A1C700736975 /* libicucore.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 9322A00306C341D3009067BB /* libicucore.dylib */; };
> 		932F5BDD0822A1C700736975 /* jsc.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 45E12D8806A49B0F00E9DF84 /* jsc.cpp */; };
>-		932F5BEA0822A1C700736975 /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		932F5BEA0822A1C700736975 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		933040040E6A749400786E6A /* SmallStrings.h in Headers */ = {isa = PBXBuildFile; fileRef = 93303FEA0E6A72C000786E6A /* SmallStrings.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		960097A60EBABB58007A7297 /* LabelScope.h in Headers */ = {isa = PBXBuildFile; fileRef = 960097A50EBABB58007A7297 /* LabelScope.h */; };
> 		9688CB150ED12B4E001D649F /* AssemblerBuffer.h in Headers */ = {isa = PBXBuildFile; fileRef = 9688CB130ED12B4E001D649F /* AssemblerBuffer.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -1761,7 +1761,7 @@
> 		FE4D55B81AE716CA0052E459 /* IterationStatus.h in Headers */ = {isa = PBXBuildFile; fileRef = FE4D55B71AE716CA0052E459 /* IterationStatus.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		FE5068651AE246390009DAB7 /* DeferredSourceDump.h in Headers */ = {isa = PBXBuildFile; fileRef = FE5068641AE246390009DAB7 /* DeferredSourceDump.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		FE533CA51F217DB30016A1FE /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 51F0EB6105C86C6B00E6DF1B /* Foundation.framework */; };
>-		FE533CA61F217DB30016A1FE /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */; };
>+		FE533CA61F217DB30016A1FE /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 932F5BD90822A1C700736975 /* .framework */; };
> 		FE533CAD1F217EA50016A1FE /* testmasm.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FE533CA01F217C310016A1FE /* testmasm.cpp */; };
> 		FE54DEFB1E8C6D8800A892C5 /* DisallowVMReentry.h in Headers */ = {isa = PBXBuildFile; fileRef = FE54DEFA1E8C6D7200A892C5 /* DisallowVMReentry.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		FE54DEFF1E8D76FA00A892C5 /* DisallowScope.h in Headers */ = {isa = PBXBuildFile; fileRef = FE54DEFE1E8D742800A892C5 /* DisallowScope.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -3819,7 +3819,7 @@
> 		930DAD030FB1EB1A0082D205 /* NodeConstructors.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NodeConstructors.h; sourceTree = "<group>"; };
> 		9322A00306C341D3009067BB /* libicucore.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libicucore.dylib; path = /usr/lib/libicucore.dylib; sourceTree = "<absolute>"; };
> 		932F5BD80822A1C700736975 /* Info.plist */ = {isa = PBXFileReference; indentWidth = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; tabWidth = 8; usesTabs = 1; };
>-		932F5BD90822A1C700736975 /* JavaScriptCore.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = JavaScriptCore.framework; sourceTree = BUILT_PRODUCTS_DIR; };
>+		932F5BD90822A1C700736975 /* .framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = .framework; sourceTree = BUILT_PRODUCTS_DIR; };
> 		932F5BE10822A1C700736975 /* jsc */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = jsc; sourceTree = BUILT_PRODUCTS_DIR; };
> 		93303FE80E6A72B500786E6A /* SmallStrings.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = SmallStrings.cpp; sourceTree = "<group>"; };
> 		93303FEA0E6A72C000786E6A /* SmallStrings.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SmallStrings.h; sourceTree = "<group>"; };
>@@ -4771,7 +4771,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				0F61833C1C45F62A0072450B /* Foundation.framework in Frameworks */,
>-				0F61833D1C45F62A0072450B /* JavaScriptCore.framework in Frameworks */,
>+				0F61833D1C45F62A0072450B /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4780,7 +4780,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				0F9327521C20BCBA00CF6564 /* Foundation.framework in Frameworks */,
>-				0F9327531C20BCBA00CF6564 /* JavaScriptCore.framework in Frameworks */,
>+				0F9327531C20BCBA00CF6564 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4789,7 +4789,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				0FEC85A31BDB5CF10080FF74 /* Foundation.framework in Frameworks */,
>-				0FEC85A41BDB5CF10080FF74 /* JavaScriptCore.framework in Frameworks */,
>+				0FEC85A41BDB5CF10080FF74 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4805,7 +4805,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				14B8EC720A5652090062BE54 /* CoreFoundation.framework in Frameworks */,
>-				141211310A48794D00480255 /* JavaScriptCore.framework in Frameworks */,
>+				141211310A48794D00480255 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4814,7 +4814,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				4443AE3316E188D90076F110 /* Foundation.framework in Frameworks */,
>-				14BD59C50A3E8F9F00BAF59C /* JavaScriptCore.framework in Frameworks */,
>+				14BD59C50A3E8F9F00BAF59C /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4822,7 +4822,7 @@
> 			isa = PBXFrameworksBuildPhase;
> 			buildActionMask = 2147483647;
> 			files = (
>-				651122FD14046A4C002B101D /* JavaScriptCore.framework in Frameworks */,
>+				651122FD14046A4C002B101D /* .framework in Frameworks */,
> 				651122FE14046A4C002B101D /* libedit.dylib in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
>@@ -4845,7 +4845,7 @@
> 			isa = PBXFrameworksBuildPhase;
> 			buildActionMask = 2147483647;
> 			files = (
>-				932F5BEA0822A1C700736975 /* JavaScriptCore.framework in Frameworks */,
>+				932F5BEA0822A1C700736975 /* .framework in Frameworks */,
> 				5D5D8AD10E0D0EBE00F9C692 /* libedit.dylib in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
>@@ -4855,7 +4855,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				FE533CA51F217DB30016A1FE /* Foundation.framework in Frameworks */,
>-				FE533CA61F217DB30016A1FE /* JavaScriptCore.framework in Frameworks */,
>+				FE533CA61F217DB30016A1FE /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4874,7 +4874,7 @@
> 				0FEC85AD1BDB5CF10080FF74 /* testb3 */,
> 				FE533CAC1F217DB40016A1FE /* testmasm */,
> 				6511230514046A4C002B101D /* testRegExp */,
>-				932F5BD90822A1C700736975 /* JavaScriptCore.framework */,
>+				932F5BD90822A1C700736975 /* .framework */,
> 			);
> 			name = Products;
> 			sourceTree = "<group>";
>@@ -9754,7 +9754,7 @@
> 			name = JavaScriptCore;
> 			productInstallPath = "${SYSTEM_LIBRARY_DIR}/Frameworks/WebKit.framework/Versions/A/Frameworks";
> 			productName = JavaScriptCore;
>-			productReference = 932F5BD90822A1C700736975 /* JavaScriptCore.framework */;
>+			productReference = 932F5BD90822A1C700736975 /* .framework */;
> 			productType = "com.apple.product-type.framework";
> 		};
> 		932F5BDA0822A1C700736975 /* jsc */ = {
>diff --git a/Source/JavaScriptCore/builtins/BuiltinNames.h b/Source/JavaScriptCore/builtins/BuiltinNames.h
>index a34f343da7f0c24291dad73cafefbf74b1b5779d..d583b58a15b58c31996a8bc53abad2cb664fc649 100644
>--- a/Source/JavaScriptCore/builtins/BuiltinNames.h
>+++ b/Source/JavaScriptCore/builtins/BuiltinNames.h
>@@ -190,6 +190,8 @@ namespace JSC {
>     macro(LinkError) \
>     macro(RuntimeError) \
>     macro(meta) \
>+    macro(webAssemblyCompileStreamingInternal) \
>+    macro(webAssemblyInstantiateStreamingInternal) \
> 
> namespace Symbols {
> #define DECLARE_BUILTIN_STATIC_SYMBOLS(name) extern SymbolImpl::StaticSymbolImpl name##Symbol;
>diff --git a/Source/JavaScriptCore/builtins/WebAssemblyPrototype.js b/Source/JavaScriptCore/builtins/WebAssemblyPrototype.js
>new file mode 100644
>index 0000000000000000000000000000000000000000..4e051fece50835515ff9b7f5e99c57f15492fbc0
>--- /dev/null
>+++ b/Source/JavaScriptCore/builtins/WebAssemblyPrototype.js
>@@ -0,0 +1,37 @@
>+/*
>+ * Copyright (C) 2018 Oleksandr Skachkov <gskachkov@gmail.com>.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
>+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
>+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
>+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
>+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
>+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
>+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
>+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
>+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+function compileStreaming(argument) {
>+    "use strict";
>+
>+    return @Promise.@resolve(argument).@then(@webAssemblyCompileStreamingInternal);
>+}
>+
>+function instantiateStreaming(argument) {
>+    "use strict";
>+
>+    return @Promise.@resolve(argument).@then(@webAssemblyInstantiateStreamingInternal);
>+}
>+
>diff --git a/Source/JavaScriptCore/jsc.cpp b/Source/JavaScriptCore/jsc.cpp
>index 4a73e87e96e0bffd8ce1a971928f385f67f2067e..3b1724848352f4248c94cc078667197d2f8523ad 100644
>--- a/Source/JavaScriptCore/jsc.cpp
>+++ b/Source/JavaScriptCore/jsc.cpp
>@@ -642,6 +642,8 @@ const GlobalObjectMethodTable GlobalObject::s_globalObjectMethodTable = {
>     nullptr, // moduleLoaderEvaluate
>     nullptr, // promiseRejectionTracker
>     nullptr, // defaultLanguage
>+    nullptr, // compileStreaming
>+    nullptr, // instantinateStreaming
> };
> 
> GlobalObject::GlobalObject(VM& vm, Structure* structure)
>diff --git a/Source/JavaScriptCore/runtime/JSGlobalObject.cpp b/Source/JavaScriptCore/runtime/JSGlobalObject.cpp
>index 95ed638316653c6c60329370463218116787f3ba..f00350eb10e47f9c8f57717f74b6047ccf05da9b 100644
>--- a/Source/JavaScriptCore/runtime/JSGlobalObject.cpp
>+++ b/Source/JavaScriptCore/runtime/JSGlobalObject.cpp
>@@ -169,6 +169,7 @@
> #include "WeakMapPrototype.h"
> #include "WeakSetConstructor.h"
> #include "WeakSetPrototype.h"
>+#include "WebAssemblyPrototype.h"
> #include "WebAssemblyToJSCallee.h"
> #include <wtf/RandomNumber.h>
> 
>@@ -286,6 +287,8 @@ const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = {
>     nullptr, // moduleLoaderEvaluate
>     nullptr, // promiseRejectionTracker
>     nullptr, // defaultLanguage
>+    nullptr, // compileStreaming
>+    nullptr, // instantiateStreaming
> };
> 
> /* Source for JSGlobalObject.lut.h
>@@ -939,6 +942,11 @@ putDirectWithoutTransition(vm, vm.propertyNames-> jsName, lowerName ## Construct
>         GlobalPropertyInfo(vm.propertyNames->builtinNames().setBucketHeadPrivateName(), privateFuncSetBucketHead, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly),
>         GlobalPropertyInfo(vm.propertyNames->builtinNames().setBucketNextPrivateName(), privateFuncSetBucketNext, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly),
>         GlobalPropertyInfo(vm.propertyNames->builtinNames().setBucketKeyPrivateName(), privateFuncSetBucketKey, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly),
>+#if ENABLE(WEBASSEMBLY)
>+        // WebAssembly Streaming API
>+        GlobalPropertyInfo(vm.propertyNames->builtinNames().webAssemblyCompileStreamingInternalPrivateName(), JSFunction::create(vm, this, 1, String(), webAssemblyCompileStreamingInternal), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly),
>+        GlobalPropertyInfo(vm.propertyNames->builtinNames().webAssemblyInstantiateStreamingInternalPrivateName(), JSFunction::create(vm, this, 1, String(), webAssemblyInstantiateStreamingInternal), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly),
>+#endif
> #if !ASSERT_DISABLED
>         GlobalPropertyInfo(vm.propertyNames->builtinNames().assertPrivateName(), JSFunction::create(vm, this, 1, String(), assertCall), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly),
> #endif
>diff --git a/Source/JavaScriptCore/runtime/JSGlobalObject.h b/Source/JavaScriptCore/runtime/JSGlobalObject.h
>index 759b87070b24a9e01a2a8361730d9bf232428238..353733ebc6ac2fad4dcbe618ea45db2d64779b66 100644
>--- a/Source/JavaScriptCore/runtime/JSGlobalObject.h
>+++ b/Source/JavaScriptCore/runtime/JSGlobalObject.h
>@@ -32,6 +32,7 @@
> #include "JSCPoison.h"
> #include "JSClassRef.h"
> #include "JSGlobalLexicalEnvironment.h"
>+#include "JSPromiseDeferred.h"
> #include "JSSegmentedVariableObject.h"
> #include "JSWeakObjectMapRefInternal.h"
> #include "LazyProperty.h"
>@@ -217,6 +218,12 @@ struct GlobalObjectMethodTable {
> 
>     typedef String (*DefaultLanguageFunctionPtr)();
>     DefaultLanguageFunctionPtr defaultLanguage;
>+
>+    typedef void (*CompileStreamingPtr)(JSGlobalObject*, ExecState*, JSPromiseDeferred*, JSValue);
>+    CompileStreamingPtr compileStreaming;
>+
>+    typedef void (*InstantiateStreamingPtr)(JSGlobalObject*, ExecState*, JSPromiseDeferred*, JSValue, JSObject*);
>+    InstantiateStreamingPtr instantiateStreaming;
> };
> 
> class JSGlobalObject : public JSSegmentedVariableObject {
>diff --git a/Source/JavaScriptCore/runtime/Options.h b/Source/JavaScriptCore/runtime/Options.h
>index b3e7954038c6785ef6adc44f7ec2db76ccc72255..7d520e5b22b82a895450ba8164d7ade5166480c0 100644
>--- a/Source/JavaScriptCore/runtime/Options.h
>+++ b/Source/JavaScriptCore/runtime/Options.h
>@@ -118,6 +118,12 @@ constexpr bool enableIntlPluralRules = true;
> constexpr bool enableIntlPluralRules = false;
> #endif
> 
>+#if ENABLE(WEBASSEMBLY_STREAMING_API)
>+constexpr bool enableWebAssemblyStreamingApi = true;
>+#else
>+constexpr bool enableWebAssemblyStreamingApi = false;
>+#endif
>+
> #define JSC_OPTIONS(v) \
>     v(bool, validateOptions, false, Normal, "crashes if mis-typed JSC options were passed to the VM") \
>     v(unsigned, dumpOptions, 0, Normal, "dumps JSC options (0 = None, 1 = Overridden only, 2 = All, 3 = Verbose)") \
>@@ -490,6 +496,7 @@ constexpr bool enableIntlPluralRules = false;
>     v(bool, crashIfWebAssemblyCantFastMemory, false, Normal, "If true, we will crash if we can't obtain fast memory for wasm.") \
>     v(unsigned, maxNumWebAssemblyFastMemories, 4, Normal, nullptr) \
>     v(bool, useFastTLSForWasmContext, true, Normal, "If true, we will store context in fast TLS. If false, we will pin it to a register.") \
>+    v(bool, useWebAssemblyStreamingApi, enableWebAssemblyStreamingApi, Normal, "Allow to run WebAssembly's Streaming API") \
>     v(bool, useCallICsForWebAssemblyToJSCalls, true, Normal, "If true, we will use CallLinkInfo to inline cache Wasm to JS calls.") \
>     v(bool, useEagerWebAssemblyModuleHashing, false, Normal, "Unnamed WebAssembly modules are identified in backtraces through their hash, if available.") \
>     v(bool, useObjectRestSpread, true, Normal, "If true, we will enable Object Rest/Spread feature.") \
>diff --git a/Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp b/Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp
>index 087804695cdf35a7494bbd589442904eb9ca7039..db851dc0e8338f4405e4c5dbfb6278ee1353aa63 100644
>--- a/Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp
>+++ b/Source/JavaScriptCore/runtime/PromiseDeferredTimer.cpp
>@@ -120,6 +120,21 @@ void PromiseDeferredTimer::addPendingPromise(JSPromiseDeferred* ticket, Vector<S
> #endif
> }
> 
>+bool PromiseDeferredTimer::hasPendingPromise(JSPromiseDeferred* ticket)
>+{
>+    ASSERT(m_vm->currentThreadIsHoldingAPILock());
>+    return m_pendingPromises.contains(ticket);
>+}
>+
>+bool PromiseDeferredTimer::hasDependancyInPendingPromise(JSPromiseDeferred* ticket, JSCell* dependency)
>+{
>+    ASSERT(m_vm->currentThreadIsHoldingAPILock());
>+    ASSERT(m_pendingPromises.contains(ticket));
>+
>+    auto result = m_pendingPromises.get(ticket);
>+    return result.contains(dependency);
>+}
>+
> bool PromiseDeferredTimer::cancelPendingPromise(JSPromiseDeferred* ticket)
> {
>     ASSERT(m_vm->currentThreadIsHoldingAPILock());
>diff --git a/Source/JavaScriptCore/runtime/PromiseDeferredTimer.h b/Source/JavaScriptCore/runtime/PromiseDeferredTimer.h
>index 7ef577e28467b1b4588a298eb17f45d32ebab797..cbc5052d6d667e90fa3fac3ea56435baebe3f914 100644
>--- a/Source/JavaScriptCore/runtime/PromiseDeferredTimer.h
>+++ b/Source/JavaScriptCore/runtime/PromiseDeferredTimer.h
>@@ -47,6 +47,8 @@ public:
>     void doWork() override;
> 
>     void addPendingPromise(JSPromiseDeferred*, Vector<Strong<JSCell>>&& dependencies);
>+    bool hasPendingPromise(JSPromiseDeferred* ticket);
>+    bool hasDependancyInPendingPromise(JSPromiseDeferred* ticket, JSCell* dependency);
>     // JSPromiseDeferred should handle canceling when the promise is resolved or rejected.
>     bool cancelPendingPromise(JSPromiseDeferred*);
> 
>diff --git a/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp b/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp
>index c7ad0e3ddca8d64449af159171afcb86a380ea69..6b8be61ea43c7a5e05b56a9822c617b39a40a705 100644
>--- a/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp
>+++ b/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.cpp
>@@ -1,5 +1,6 @@
> /*
>  * Copyright (C) 2016-2017 Apple Inc. All rights reserved.
>+ * Copyright (C) 2018 Oleksandr Skachkov <gskachkov@gmail.com>.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -31,6 +32,7 @@
> #include "CatchScope.h"
> #include "Exception.h"
> #include "FunctionPrototype.h"
>+#include "JSCBuiltins.h"
> #include "JSCInlines.h"
> #include "JSModuleNamespaceObject.h"
> #include "JSPromiseDeferred.h"
>@@ -39,6 +41,7 @@
> #include "JSWebAssemblyInstance.h"
> #include "JSWebAssemblyModule.h"
> #include "ObjectConstructor.h"
>+#include "Options.h"
> #include "PromiseDeferredTimer.h"
> #include "StrongInlines.h"
> #include "ThrowScope.h"
>@@ -80,6 +83,32 @@ static void reject(ExecState* exec, CatchScope& catchScope, JSPromiseDeferred* p
>     CLEAR_AND_RETURN_IF_EXCEPTION(catchScope, void());
> }
> 
>+static void webAssemblyModuleValidateAsyncInternal(ExecState* exec, JSPromiseDeferred* promise, Vector<uint8_t>&& source)
>+{
>+    VM& vm = exec->vm();
>+    auto* globalObject = exec->lexicalGlobalObject();
>+
>+    Vector<Strong<JSCell>> dependencies;
>+    dependencies.append(Strong<JSCell>(vm, globalObject));
>+
>+    vm.promiseDeferredTimer->addPendingPromise(promise, WTFMove(dependencies));
>+
>+    Wasm::Module::validateAsync(&vm.wasmContext, WTFMove(source), createSharedTask<Wasm::Module::CallbackType>([promise, globalObject, &vm] (Wasm::Module::ValidationResult&& result) mutable {
>+        vm.promiseDeferredTimer->scheduleWorkSoon(promise, [promise, globalObject, result = WTFMove(result), &vm] () mutable {
>+            auto scope = DECLARE_CATCH_SCOPE(vm);
>+            ExecState* exec = globalObject->globalExec();
>+            JSValue module = JSWebAssemblyModule::createStub(vm, exec, globalObject->WebAssemblyModuleStructure(), WTFMove(result));
>+            if (UNLIKELY(scope.exception())) {
>+                reject(exec, scope, promise);
>+                return;
>+            }
>+
>+            promise->resolve(exec, module);
>+            CLEAR_AND_RETURN_IF_EXCEPTION(scope, void());
>+        });
>+    }));
>+}
>+
> static EncodedJSValue JSC_HOST_CALL webAssemblyCompileFunc(ExecState* exec)
> {
>     VM& vm = exec->vm();
>@@ -91,31 +120,12 @@ static EncodedJSValue JSC_HOST_CALL webAssemblyCompileFunc(ExecState* exec)
> 
>     {
>         auto catchScope = DECLARE_CATCH_SCOPE(vm);
>-
>-        Vector<Strong<JSCell>> dependencies;
>-        dependencies.append(Strong<JSCell>(vm, globalObject));
>-        vm.promiseDeferredTimer->addPendingPromise(promise, WTFMove(dependencies));
>-
>         Vector<uint8_t> source = createSourceBufferFromValue(vm, exec, exec->argument(0));
> 
>         if (UNLIKELY(catchScope.exception()))
>             reject(exec, catchScope, promise);
>-        else {
>-            Wasm::Module::validateAsync(&vm.wasmContext, WTFMove(source), createSharedTask<Wasm::Module::CallbackType>([promise, globalObject, &vm] (Wasm::Module::ValidationResult&& result) mutable {
>-                vm.promiseDeferredTimer->scheduleWorkSoon(promise, [promise, globalObject, result = WTFMove(result), &vm] () mutable {
>-                    auto scope = DECLARE_CATCH_SCOPE(vm);
>-                    ExecState* exec = globalObject->globalExec();
>-                    JSValue module = JSWebAssemblyModule::createStub(vm, exec, globalObject->WebAssemblyModuleStructure(), WTFMove(result));
>-                    if (UNLIKELY(scope.exception())) {
>-                        reject(exec, scope, promise);
>-                        return;
>-                    }
>-
>-                    promise->resolve(exec, module);
>-                    CLEAR_AND_RETURN_IF_EXCEPTION(scope, void());
>-                });
>-            }));
>-        }
>+        else
>+            webAssemblyModuleValidateAsyncInternal(exec, promise, WTFMove(source));
> 
>         return JSValue::encode(promise->promise());
>     }
>@@ -144,6 +154,14 @@ static void resolve(VM& vm, ExecState* exec, JSPromiseDeferred* promise, JSWebAs
>     CLEAR_AND_RETURN_IF_EXCEPTION(scope, void());
> }
> 
>+void WebAssemblyPrototype::webAssemblyModuleValidateAsync(ExecState* exec, JSPromiseDeferred* promise, Vector<uint8_t>&& source)
>+{
>+    VM& vm = exec->vm();
>+    auto catchScope = DECLARE_CATCH_SCOPE(vm);
>+    webAssemblyModuleValidateAsyncInternal(exec, promise, WTFMove(source));
>+    CLEAR_AND_RETURN_IF_EXCEPTION(catchScope, void());
>+}
>+
> static void instantiate(VM& vm, ExecState* exec, JSPromiseDeferred* promise, JSWebAssemblyModule* module, JSObject* importObject, const Identifier& moduleKey, Resolve resolveKind, Wasm::CreationMode creationMode)
> {
>     auto scope = DECLARE_CATCH_SCOPE(vm);
>@@ -205,6 +223,38 @@ JSValue WebAssemblyPrototype::instantiate(ExecState* exec, JSPromiseDeferred* pr
>     return promise->promise();
> }
> 
>+static void webAssemblyModuleInstantinateAsyncInternal(ExecState* exec, JSPromiseDeferred* promise, Vector<uint8_t>&& source, JSObject* importObject)
>+{
>+    auto* globalObject = exec->lexicalGlobalObject();
>+    VM& vm = exec->vm();
>+
>+    Vector<Strong<JSCell>> dependencies;
>+    dependencies.append(Strong<JSCell>(vm, importObject));
>+    dependencies.append(Strong<JSCell>(vm, globalObject));
>+    vm.promiseDeferredTimer->addPendingPromise(promise, WTFMove(dependencies));
>+
>+    Wasm::Module::validateAsync(&vm.wasmContext, WTFMove(source), createSharedTask<Wasm::Module::CallbackType>([promise, importObject, globalObject, &vm] (Wasm::Module::ValidationResult&& result) mutable {
>+        vm.promiseDeferredTimer->scheduleWorkSoon(promise, [promise, importObject, globalObject, result = WTFMove(result), &vm] () mutable {
>+            auto scope = DECLARE_CATCH_SCOPE(vm);
>+            ExecState* exec = globalObject->globalExec();
>+            JSWebAssemblyModule* module = JSWebAssemblyModule::createStub(vm, exec, globalObject->WebAssemblyModuleStructure(), WTFMove(result));
>+            if (UNLIKELY(scope.exception()))
>+                return reject(exec, scope, promise);
>+
>+            instantiate(vm, exec, promise, module, importObject, JSWebAssemblyInstance::createPrivateModuleKey(),  Resolve::WithModuleAndInstance, Wasm::CreationMode::FromJS);
>+            CLEAR_AND_RETURN_IF_EXCEPTION(scope, reject(exec, scope, promise));
>+        });
>+    }));
>+}
>+
>+void WebAssemblyPrototype::webAssemblyModuleInstantinateAsync(ExecState* exec, JSPromiseDeferred* promise, Vector<uint8_t>&& source, JSObject* importedObject)
>+{
>+    VM& vm = exec->vm();
>+    auto catchScope = DECLARE_CATCH_SCOPE(vm);
>+    webAssemblyModuleInstantinateAsyncInternal(exec, promise, WTFMove(source), importedObject);
>+    CLEAR_AND_RETURN_IF_EXCEPTION(catchScope, void());
>+}
>+
> static EncodedJSValue JSC_HOST_CALL webAssemblyInstantiateFunc(ExecState* exec)
> {
>     VM& vm = exec->vm();
>@@ -250,10 +300,72 @@ static EncodedJSValue JSC_HOST_CALL webAssemblyValidateFunc(ExecState* exec)
>     return JSValue::encode(jsBoolean(plan.parseAndValidateModule()));
> }
> 
>-WebAssemblyPrototype* WebAssemblyPrototype::create(VM& vm, JSGlobalObject*, Structure* structure)
>+EncodedJSValue JSC_HOST_CALL webAssemblyCompileStreamingInternal(ExecState* exec)
>+{
>+    VM& vm = exec->vm();
>+    auto* globalObject = exec->lexicalGlobalObject();
>+    auto catchScope = DECLARE_CATCH_SCOPE(vm);
>+
>+    JSPromiseDeferred* promise = JSPromiseDeferred::create(exec, globalObject);
>+
>+    Vector<Strong<JSCell>> dependencies;
>+    dependencies.append(Strong<JSCell>(vm, globalObject));
>+    vm.promiseDeferredTimer->addPendingPromise(promise, WTFMove(dependencies));
>+
>+    if (globalObject->globalObjectMethodTable()->compileStreaming)
>+        globalObject->globalObjectMethodTable()->compileStreaming(globalObject, exec, promise, exec->argument(0));
>+    else {
>+        // CompileStreaming is not supported in jsc, only in browser environment
>+        ASSERT_NOT_REACHED();
>+    }
>+
>+    CLEAR_AND_RETURN_IF_EXCEPTION(catchScope, JSValue::encode(promise->promise()));
>+
>+    return JSValue::encode(promise->promise());
>+}
>+
>+EncodedJSValue JSC_HOST_CALL webAssemblyInstantiateStreamingInternal(ExecState* exec)
>+{
>+    VM& vm = exec->vm();
>+    auto throwScope = DECLARE_THROW_SCOPE(vm);
>+    auto* globalObject = exec->lexicalGlobalObject();
>+
>+    JSPromiseDeferred* promise = JSPromiseDeferred::create(exec, globalObject);
>+
>+    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
>+    {
>+        auto catchScope = DECLARE_CATCH_SCOPE(vm);
>+
>+        JSValue importArgument = exec->argument(1);
>+        JSObject* importObject = importArgument.getObject();
>+        if (UNLIKELY(!importArgument.isUndefined() && !importObject)) {
>+            promise->reject(exec, createTypeError(exec,
>+                ASCIILiteral("second argument to WebAssembly.instantiateStreaming must be undefined or an Object"), defaultSourceAppender, runtimeTypeForValue(importArgument)));
>+            CLEAR_AND_RETURN_IF_EXCEPTION(catchScope, JSValue::encode(promise->promise()));
>+        } else {
>+            if (globalObject->globalObjectMethodTable()->instantiateStreaming) {
>+                Vector<Strong<JSCell>> dependencies;
>+                dependencies.append(Strong<JSCell>(vm, globalObject));
>+                dependencies.append(Strong<JSCell>(vm, importObject));
>+                vm.promiseDeferredTimer->addPendingPromise(promise, WTFMove(dependencies));
>+
>+                // FIXME: <http://webkit.org/b/184888> if there's an importObject and it contains a Memory, then we can compile the module with the right memory type (fast or not) by looking at the memory's type.
>+                globalObject->globalObjectMethodTable()->instantiateStreaming(globalObject, exec, promise, exec->argument(0), importObject);
>+            } else {
>+                // InstantiateStreaming is not supported in jsc, only in browser environment.
>+                ASSERT_NOT_REACHED();
>+            }
>+        }
>+        CLEAR_AND_RETURN_IF_EXCEPTION(catchScope, JSValue::encode(promise->promise()));
>+
>+        return JSValue::encode(promise->promise());
>+    }
>+}
>+
>+WebAssemblyPrototype* WebAssemblyPrototype::create(VM& vm, JSGlobalObject* globalObject, Structure* structure)
> {
>     auto* object = new (NotNull, allocateCell<WebAssemblyPrototype>(vm.heap)) WebAssemblyPrototype(vm, structure);
>-    object->finishCreation(vm);
>+    object->finishCreation(vm, globalObject);
>     return object;
> }
> 
>@@ -262,9 +374,14 @@ Structure* WebAssemblyPrototype::createStructure(VM& vm, JSGlobalObject* globalO
>     return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
> }
> 
>-void WebAssemblyPrototype::finishCreation(VM& vm)
>+void WebAssemblyPrototype::finishCreation(VM& vm, JSGlobalObject* globalObject)
> {
>     Base::finishCreation(vm);
>+
>+    if (Options::useWebAssemblyStreamingApi()) {
>+        JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("compileStreaming", webAssemblyPrototypeCompileStreamingCodeGenerator, static_cast<unsigned>(PropertyAttribute::DontEnum));
>+        JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION("instantiateStreaming", webAssemblyPrototypeInstantiateStreamingCodeGenerator, static_cast<unsigned>(PropertyAttribute::DontEnum));
>+    }
> }
> 
> WebAssemblyPrototype::WebAssemblyPrototype(VM& vm, Structure* structure)
>diff --git a/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.h b/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.h
>index bbb226dbcc699e3f0f0b8af1c95470559c6954a1..5f7c56a6933faae85bc9ec215f92a0d3842a2898 100644
>--- a/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.h
>+++ b/Source/JavaScriptCore/wasm/js/WebAssemblyPrototype.h
>@@ -1,5 +1,6 @@
> /*
>  * Copyright (C) 2016 Apple Inc. All rights reserved.
>+ * Copyright (C) 2018 Oleksandr Skachkov <gskachkov@gmail.com>.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -39,18 +40,23 @@ public:
> 
>     static WebAssemblyPrototype* create(VM&, JSGlobalObject*, Structure*);
>     static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
>+    JS_EXPORT_PRIVATE static void webAssemblyModuleValidateAsync(ExecState*, JSPromiseDeferred*, Vector<uint8_t>&&);
>+    JS_EXPORT_PRIVATE static void webAssemblyModuleInstantinateAsync(ExecState*, JSPromiseDeferred*, Vector<uint8_t>&&, JSObject*);
> 
>     DECLARE_INFO;
> 
>     static JSValue instantiate(ExecState*, JSPromiseDeferred*, const Identifier&, JSValue);
> 
> protected:
>-    void finishCreation(VM&);
>+    void finishCreation(VM&, JSGlobalObject*);
> 
> private:
>     WebAssemblyPrototype(VM&, Structure*);
> };
> 
>+EncodedJSValue JSC_HOST_CALL webAssemblyCompileStreamingInternal(ExecState*);
>+EncodedJSValue JSC_HOST_CALL webAssemblyInstantiateStreamingInternal(ExecState*);
>+
> } // namespace JSC
> 
> #endif // ENABLE(WEBASSEMBLY)
>diff --git a/Source/WebCore/Configurations/FeatureDefines.xcconfig b/Source/WebCore/Configurations/FeatureDefines.xcconfig
>index 50840d826a4f8ce055531a194735df51b5167faa..17b66798a8437de3f4588bbcf0dc5260d92a578c 100644
>--- a/Source/WebCore/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebCore/Configurations/FeatureDefines.xcconfig
>@@ -355,6 +355,8 @@ ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN_macosx = ENABLE_VIDEO_USES_ELEMENT_FULLSCRE
> 
> ENABLE_WEBASSEMBLY = ;
> 
>+ENABLE_WEBASSEMBLY_STREAMING_API = ;
>+
> ENABLE_WEBGL = ENABLE_WEBGL;
> 
> ENABLE_WEBGL2 = ENABLE_WEBGL2;
>@@ -381,4 +383,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig b/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>index 50840d826a4f8ce055531a194735df51b5167faa..17b66798a8437de3f4588bbcf0dc5260d92a578c 100644
>--- a/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebCore/PAL/Configurations/FeatureDefines.xcconfig
>@@ -355,6 +355,8 @@ ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN_macosx = ENABLE_VIDEO_USES_ELEMENT_FULLSCRE
> 
> ENABLE_WEBASSEMBLY = ;
> 
>+ENABLE_WEBASSEMBLY_STREAMING_API = ;
>+
> ENABLE_WEBGL = ENABLE_WEBGL;
> 
> ENABLE_WEBGL2 = ENABLE_WEBGL2;
>@@ -381,4 +383,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebCore/PAL/PAL.xcodeproj/project.pbxproj b/Source/WebCore/PAL/PAL.xcodeproj/project.pbxproj
>index b4030b588d0a061b01b189c380cdb41b74f6c6a7..e60c2f692bfdd862972a722f72ff3ab24a86d565 100644
>--- a/Source/WebCore/PAL/PAL.xcodeproj/project.pbxproj
>+++ b/Source/WebCore/PAL/PAL.xcodeproj/project.pbxproj
>@@ -238,7 +238,7 @@
> 		0C7785881F45130F00F4EBB6 /* TUCallSPI.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TUCallSPI.h; sourceTree = "<group>"; };
> 		0CF99CA61F738436007EE793 /* CoreMediaSoftLink.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CoreMediaSoftLink.cpp; path = pal/cf/CoreMediaSoftLink.cpp; sourceTree = SOURCE_ROOT; };
> 		0CF99CA71F738437007EE793 /* CoreMediaSoftLink.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CoreMediaSoftLink.h; path = pal/cf/CoreMediaSoftLink.h; sourceTree = SOURCE_ROOT; };
>-		1C09D03D1E31C32800725F18 /* libPAL.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libPAL.a; sourceTree = BUILT_PRODUCTS_DIR; };
>+		1C09D03D1E31C32800725F18 /* lib.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = lib.a; sourceTree = BUILT_PRODUCTS_DIR; };
> 		1C09D0521E31C44100725F18 /* CryptoDigest.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CryptoDigest.h; sourceTree = "<group>"; };
> 		1C09D0551E31C46500725F18 /* CryptoDigestCommonCrypto.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CryptoDigestCommonCrypto.cpp; path = commoncrypto/CryptoDigestCommonCrypto.cpp; sourceTree = "<group>"; };
> 		1C09D0571E31C57E00725F18 /* config.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = config.h; sourceTree = "<group>"; };
>@@ -470,7 +470,7 @@
> 		1C09D03E1E31C32800725F18 /* Products */ = {
> 			isa = PBXGroup;
> 			children = (
>-				1C09D03D1E31C32800725F18 /* libPAL.a */,
>+				1C09D03D1E31C32800725F18 /* lib.a */,
> 			);
> 			name = Products;
> 			sourceTree = "<group>";
>@@ -733,7 +733,7 @@
> 			);
> 			name = PAL;
> 			productName = PAL;
>-			productReference = 1C09D03D1E31C32800725F18 /* libPAL.a */;
>+			productReference = 1C09D03D1E31C32800725F18 /* lib.a */;
> 			productType = "com.apple.product-type.library.static";
> 		};
> /* End PBXNativeTarget section */
>diff --git a/Source/WebCore/WebCore.xcodeproj/project.pbxproj b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>index 36a443fb492e2e99a07d4b85f66d2c37c21c4083..e00cd674e3492311bd6d45797876f3a63fab89c6 100644
>--- a/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>+++ b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
>@@ -1042,7 +1042,7 @@
> 		41103AAD1E39791000769F03 /* RealtimeIncomingAudioSource.h in Headers */ = {isa = PBXBuildFile; fileRef = 41103AA91E39790A00769F03 /* RealtimeIncomingAudioSource.h */; };
> 		41103AAD1E39791000769F14 /* RealtimeIncomingAudioSourceCocoa.h in Headers */ = {isa = PBXBuildFile; fileRef = 41103AA91E39790A00769F14 /* RealtimeIncomingAudioSourceCocoa.h */; };
> 		4112B5431F9F9CA000E67875 /* ServiceWorkerThreadProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = 4112B53F1F9F9C9B00E67875 /* ServiceWorkerThreadProxy.h */; settings = {ATTRIBUTES = (Private, ); }; };
>-		4123081B138C429700BCCFCA /* WebCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 93F19B1A08245E5A001E9ABC /* WebCore.framework */; };
>+		4123081B138C429700BCCFCA /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 93F19B1A08245E5A001E9ABC /* .framework */; };
> 		41230913138C42FF00BCCFCA /* JavaScriptCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F8216299029F4FB501000131 /* JavaScriptCore.framework */; };
> 		4129C9971F59B963009D7403 /* FetchBodySource.h in Headers */ = {isa = PBXBuildFile; fileRef = 413015D61C7B570400091C6F /* FetchBodySource.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		4129C9A91F59C56B009D7403 /* ReadableStreamDefaultController.h in Headers */ = {isa = PBXBuildFile; fileRef = 418C395F1C8F0AAB0051C8A3 /* ReadableStreamDefaultController.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -7204,7 +7204,7 @@
> 		417612AE1E3A993B00C3D81D /* LibWebRTCPeerConnectionBackend.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = LibWebRTCPeerConnectionBackend.h; path = libwebrtc/LibWebRTCPeerConnectionBackend.h; sourceTree = "<group>"; };
> 		417DA4CE13734326007C57FB /* Internals.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Internals.h; sourceTree = "<group>"; };
> 		417DA4CF13734326007C57FB /* Internals.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Internals.cpp; sourceTree = "<group>"; };
>-		417DA6D013734E02007C57FB /* libWebCoreTestSupport.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = libWebCoreTestSupport.dylib; sourceTree = BUILT_PRODUCTS_DIR; };
>+		417DA6D013734E02007C57FB /* .dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = .dylib; sourceTree = BUILT_PRODUCTS_DIR; };
> 		417DA71B13735DFA007C57FB /* JSInternals.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSInternals.cpp; sourceTree = "<group>"; };
> 		417DA71C13735DFA007C57FB /* JSInternals.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSInternals.h; sourceTree = "<group>"; };
> 		417F0D7E1FFEE14E008EF303 /* ServiceWorkerInternals.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ServiceWorkerInternals.h; sourceTree = "<group>"; };
>@@ -10385,7 +10385,7 @@
> 		93EEC1F709C2877700C515D1 /* WheelEvent.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = WheelEvent.idl; sourceTree = "<group>"; };
> 		93EF7D541954E98F00DFB71D /* ScrollingStateNode.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ScrollingStateNode.mm; sourceTree = "<group>"; };
> 		93F19B1908245E59001E9ABC /* Info.plist */ = {isa = PBXFileReference; indentWidth = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; tabWidth = 8; usesTabs = 0; };
>-		93F19B1A08245E5A001E9ABC /* WebCore.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = WebCore.framework; sourceTree = BUILT_PRODUCTS_DIR; };
>+		93F19B1A08245E5A001E9ABC /* .framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = .framework; sourceTree = BUILT_PRODUCTS_DIR; };
> 		93F1D31A0558CC5C00821BC0 /* libicucore.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libicucore.dylib; path = /usr/lib/libicucore.dylib; sourceTree = "<absolute>"; };
> 		93F1D5B712D532C400832BEC /* WebGLLoseContext.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebGLLoseContext.cpp; sourceTree = "<group>"; };
> 		93F1D5B812D532C400832BEC /* WebGLLoseContext.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebGLLoseContext.h; sourceTree = "<group>"; };
>@@ -14152,7 +14152,7 @@
> 		E1BA003016FB92AC00BA7A35 /* ResourceHandleClient.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ResourceHandleClient.cpp; sourceTree = "<group>"; };
> 		E1BA66F01742BD8600C20251 /* DynamicLinkerInterposing.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DynamicLinkerInterposing.h; sourceTree = "<group>"; };
> 		E1BA66F21742BDCC00C20251 /* WebCoreTestShim.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = WebCoreTestShim.xcconfig; sourceTree = "<group>"; };
>-		E1BA67161742BDE000C20251 /* libWebCoreTestShim.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = libWebCoreTestShim.dylib; sourceTree = BUILT_PRODUCTS_DIR; };
>+		E1BA67161742BDE000C20251 /* .dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = .dylib; sourceTree = BUILT_PRODUCTS_DIR; };
> 		E1BA67191742BEF400C20251 /* WebCoreTestShimLibrary.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebCoreTestShimLibrary.cpp; sourceTree = "<group>"; };
> 		E1BB84AC1822CA7400525043 /* CryptoAlgorithmRegistryMac.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = CryptoAlgorithmRegistryMac.cpp; sourceTree = "<group>"; };
> 		E1BD3317182D8DDD00C05D9F /* CryptoAlgorithmRSASSA_PKCS1_v1_5.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = CryptoAlgorithmRSASSA_PKCS1_v1_5.cpp; sourceTree = "<group>"; };
>@@ -14915,7 +14915,7 @@
> 				AA5F3B9116CC5BEB00455EB0 /* CoreFoundation.framework in Frameworks */,
> 				A15E6BF11E212A6A0080AF34 /* Foundation.framework in Frameworks */,
> 				41230913138C42FF00BCCFCA /* JavaScriptCore.framework in Frameworks */,
>-				4123081B138C429700BCCFCA /* WebCore.framework in Frameworks */,
>+				4123081B138C429700BCCFCA /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -14964,9 +14964,9 @@
> 		034768DFFF38A50411DB9C8B /* Products */ = {
> 			isa = PBXGroup;
> 			children = (
>-				E1BA67161742BDE000C20251 /* libWebCoreTestShim.dylib */,
>-				417DA6D013734E02007C57FB /* libWebCoreTestSupport.dylib */,
>-				93F19B1A08245E5A001E9ABC /* WebCore.framework */,
>+				E1BA67161742BDE000C20251 /* .dylib */,
>+				417DA6D013734E02007C57FB /* .dylib */,
>+				93F19B1A08245E5A001E9ABC /* .framework */,
> 			);
> 			name = Products;
> 			sourceTree = SOURCE_ROOT;
>@@ -30921,7 +30921,7 @@
> 			);
> 			name = WebCoreTestSupport;
> 			productName = WebCoreTestSupport;
>-			productReference = 417DA6D013734E02007C57FB /* libWebCoreTestSupport.dylib */;
>+			productReference = 417DA6D013734E02007C57FB /* .dylib */;
> 			productType = "com.apple.product-type.library.dynamic";
> 		};
> 		93F198A508245E59001E9ABC /* WebCore */ = {
>@@ -30953,7 +30953,7 @@
> 			name = WebCore;
> 			productInstallPath = /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks;
> 			productName = WebKit;
>-			productReference = 93F19B1A08245E5A001E9ABC /* WebCore.framework */;
>+			productReference = 93F19B1A08245E5A001E9ABC /* .framework */;
> 			productType = "com.apple.product-type.framework";
> 		};
> 		E1BA66F31742BDE000C20251 /* WebCoreTestShim */ = {
>@@ -30971,7 +30971,7 @@
> 			);
> 			name = WebCoreTestShim;
> 			productName = WebCoreTestSupport;
>-			productReference = E1BA67161742BDE000C20251 /* libWebCoreTestShim.dylib */;
>+			productReference = E1BA67161742BDE000C20251 /* .dylib */;
> 			productType = "com.apple.product-type.library.dynamic";
> 		};
> /* End PBXNativeTarget section */
>diff --git a/Source/WebCore/bindings/js/JSDOMWindowBase.cpp b/Source/WebCore/bindings/js/JSDOMWindowBase.cpp
>index da35c16813b79259c2ebd4193a4dfe724e588d15..b49d12ef8d51aef6ddfca14c5a18d4a8be91996e 100644
>--- a/Source/WebCore/bindings/js/JSDOMWindowBase.cpp
>+++ b/Source/WebCore/bindings/js/JSDOMWindowBase.cpp
>@@ -29,11 +29,13 @@
> #include "CommonVM.h"
> #include "DOMWindow.h"
> #include "Document.h"
>+#include "FetchResponse.h"
> #include "Frame.h"
> #include "InspectorController.h"
> #include "JSDOMBindingSecurity.h"
> #include "JSDOMGlobalObjectTask.h"
> #include "JSDOMWindowCustom.h"
>+#include "JSFetchResponse.h"
> #include "JSMainThreadExecState.h"
> #include "JSNode.h"
> #include "Logging.h"
>@@ -50,6 +52,7 @@
> #include <JavaScriptCore/JSInternalPromiseDeferred.h>
> #include <JavaScriptCore/Microtask.h>
> #include <JavaScriptCore/StrongInlines.h>
>+#include <JavaScriptCore/WebAssemblyPrototype.h>
> #include <wtf/Language.h>
> #include <wtf/MainThread.h>
> 
>@@ -75,7 +78,9 @@ const GlobalObjectMethodTable JSDOMWindowBase::s_globalObjectMethodTable = {
>     &moduleLoaderCreateImportMetaProperties,
>     &moduleLoaderEvaluate,
>     &promiseRejectionTracker,
>-    &defaultLanguage
>+    &defaultLanguage,
>+    &compileStreaming,
>+    &instantiateStreaming
> };
> 
> JSDOMWindowBase::JSDOMWindowBase(VM& vm, Structure* structure, RefPtr<DOMWindow>&& window, JSWindowProxy* proxy)
>@@ -364,6 +369,137 @@ JSC::JSObject* JSDOMWindowBase::moduleLoaderCreateImportMetaProperties(JSC::JSGl
>     return constructEmptyObject(exec, globalObject->nullPrototypeObjectStructure());
> }
> 
>+#if ENABLE(WEBASSEMBLY)
>+static std::optional<Vector<uint8_t>> tryAllocate(JSC::ExecState* exec, JSC::JSPromiseDeferred* promise, const char* data, size_t byteSize)
>+{
>+    Vector<uint8_t> arrayBuffer;
>+    if (!arrayBuffer.tryReserveCapacity(byteSize)) {
>+        promise->reject(exec, createOutOfMemoryError(exec));
>+        return std::nullopt;
>+    }
>+
>+    arrayBuffer.grow(byteSize);
>+    memcpy(arrayBuffer.data(), data, byteSize);
>+
>+    return arrayBuffer;
>+}
>+
>+static bool isResponseCorrect(JSC::ExecState* exec, FetchResponse* inputResponse, JSC::JSPromiseDeferred* promise)
>+{
>+    bool isResponseCorsSameOrigin = inputResponse->type() == ResourceResponse::Type::Basic || inputResponse->type() == ResourceResponse::Type::Cors || inputResponse->type() == ResourceResponse::Type::Default;
>+
>+    if (!isResponseCorsSameOrigin) {
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("Response is not CORS-same-origin")));
>+        return false;
>+    }
>+
>+    if (!inputResponse->ok()) {
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("Response has not returned OK status")));
>+        return false;
>+    }
>+
>+    auto contentType = inputResponse->headers().fastGet(HTTPHeaderName::ContentType);
>+    if (!equalLettersIgnoringASCIICase(contentType, "application/wasm")) {
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("Unexpected response MIME type. Expected 'application/wasm'")));
>+        return false;
>+    }
>+
>+    return true;
>+}
>+
>+static void handleResponseOnStreamingAction(JSC::JSGlobalObject* globalObject, JSC::ExecState* exec, FetchResponse* inputResponse, JSC::JSPromiseDeferred* promise, Function<void(JSC::ExecState* exec, const char* data, size_t byteSize)>&& actionCallback)
>+{
>+    if (!isResponseCorrect(exec, inputResponse, promise))
>+        return;
>+
>+    if (inputResponse->isBodyReceivedByChunk()) {
>+        inputResponse->consumeBodyReceivedByChunk([promise, callback = WTFMove(actionCallback), globalObject, data = SharedBuffer::create()] (auto&& result) mutable {
>+            ExecState* exec = globalObject->globalExec();
>+            if (result.hasException()) {
>+                promise->reject(exec, createTypeError(exec, result.exception().message()));
>+                return;
>+            }
>+
>+            if (auto chunk = result.returnValue())
>+                data->append(reinterpret_cast<const char*>(chunk->data), chunk->size);
>+            else {
>+                VM& vm = exec->vm();
>+                JSLockHolder lock(vm);
>+
>+                callback(exec, data->data(), data->size());
>+            }
>+        });
>+        return;
>+    }
>+
>+    auto body = inputResponse->consumeBody();
>+    WTF::switchOn(body, [&] (Ref<FormData>& formData) {
>+        if (auto buffer = formData->asSharedBuffer()) {
>+            VM& vm = exec->vm();
>+            JSLockHolder lock(vm);
>+
>+            actionCallback(exec, buffer->data(), buffer->size());
>+            return;
>+        }
>+        // FIXME: http://webkit.org/b/184886> Implement loading for the Blob type
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("Unexpected Response's Content-type")));
>+    }, [&] (Ref<SharedBuffer>& buffer) {
>+        VM& vm = exec->vm();
>+        JSLockHolder lock(vm);
>+
>+        actionCallback(exec, buffer->data(), buffer->size());
>+    }, [&] (std::nullptr_t&) {
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("Unexpected Response's Content-type")));
>+    });
>+}
>+
>+void JSDOMWindowBase::compileStreaming(JSC::JSGlobalObject* globalObject, JSC::ExecState* exec, JSC::JSPromiseDeferred* promise, JSC::JSValue source)
>+{
>+    ASSERT(source);
>+
>+    VM& vm = exec->vm();
>+
>+    ASSERT(vm.promiseDeferredTimer->hasPendingPromise(promise));
>+    ASSERT(vm.promiseDeferredTimer->hasDependancyInPendingPromise(promise, globalObject));
>+
>+    if (auto inputResponse = JSFetchResponse::toWrapped(vm, source)) {
>+        handleResponseOnStreamingAction(globalObject, exec, inputResponse, promise, [promise] (JSC::ExecState* exec, const char* data, size_t byteSize) mutable {
>+            if (auto arrayBuffer = tryAllocate(exec, promise, data, byteSize))
>+                JSC::WebAssemblyPrototype::webAssemblyModuleValidateAsync(exec, promise, WTFMove(*arrayBuffer));
>+        });
>+    } else
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("first argument must be an Response or Promise for Response")));
>+}
>+
>+void JSDOMWindowBase::instantiateStreaming(JSC::JSGlobalObject* globalObject, JSC::ExecState* exec, JSC::JSPromiseDeferred* promise, JSC::JSValue source, JSC::JSObject* importedObject)
>+{
>+    ASSERT(source);
>+
>+    VM& vm = exec->vm();
>+
>+    ASSERT(vm.promiseDeferredTimer->hasPendingPromise(promise));
>+    ASSERT(vm.promiseDeferredTimer->hasDependancyInPendingPromise(promise, globalObject));
>+    ASSERT(vm.promiseDeferredTimer->hasDependancyInPendingPromise(promise, importedObject));
>+
>+    if (auto inputResponse = JSFetchResponse::toWrapped(vm, source)) {
>+        handleResponseOnStreamingAction(globalObject, exec, inputResponse, promise, [promise, importedObject] (JSC::ExecState* exec, const char* data, size_t byteSize) mutable {
>+            if (auto arrayBuffer = tryAllocate(exec, promise, data, byteSize))
>+                JSC::WebAssemblyPrototype::webAssemblyModuleInstantinateAsync(exec, promise, WTFMove(*arrayBuffer), importedObject);
>+        });
>+    } else
>+        promise->reject(exec, createTypeError(exec, ASCIILiteral("first argument must be an Response or Promise for Response")));
>+}
>+#else
>+static void JSDOMWindowBase::compileStreaming(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSPromiseDeferred*, JSC::JSValue)
>+{
>+    ASSERT_NOT_REACHED();
>+}
>+static void JSDOMWindowBase::instantiateStreaming(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSPromiseDeferred*, JSC::JSValue, JSC::JSObject*)
>+{
>+    ASSERT_NOT_REACHED();
>+}
>+#endif
>+
> void JSDOMWindowBase::promiseRejectionTracker(JSGlobalObject* jsGlobalObject, ExecState* exec, JSPromise* promise, JSPromiseRejectionOperation operation)
> {
>     // https://html.spec.whatwg.org/multipage/webappapis.html#the-hostpromiserejectiontracker-implementation
>diff --git a/Source/WebCore/bindings/js/JSDOMWindowBase.h b/Source/WebCore/bindings/js/JSDOMWindowBase.h
>index f5709a9fca0951a04ad17f60fa53e5e3624bf6e0..b60ef47b9fa6f531871faf24b2e74366f9c409d9 100644
>--- a/Source/WebCore/bindings/js/JSDOMWindowBase.h
>+++ b/Source/WebCore/bindings/js/JSDOMWindowBase.h
>@@ -42,6 +42,7 @@ namespace WebCore {
> 
> class DOMWrapperWorld;
> class Frame;
>+class FetchResponse;
> class JSDOMWindow;
> class JSDOMWindowBasePrivate;
> class JSWindowProxy;
>@@ -88,12 +89,17 @@ protected:
>     JSC::WatchpointSet m_windowCloseWatchpoints;
> 
> private:
>+    using ResponseCallback = WTF::Function<void(const char*, size_t)>;
>+
>     static JSC::Identifier moduleLoaderResolve(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSModuleLoader*, JSC::JSValue, JSC::JSValue, JSC::JSValue);
>     static JSC::JSInternalPromise* moduleLoaderFetch(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSModuleLoader*, JSC::JSValue, JSC::JSValue, JSC::JSValue);
>     static JSC::JSValue moduleLoaderEvaluate(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSModuleLoader*, JSC::JSValue, JSC::JSValue, JSC::JSValue);
>     static JSC::JSInternalPromise* moduleLoaderImportModule(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSModuleLoader*, JSC::JSString*, JSC::JSValue, const JSC::SourceOrigin&);
>     static JSC::JSObject* moduleLoaderCreateImportMetaProperties(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSModuleLoader*, JSC::JSValue, JSC::JSModuleRecord*, JSC::JSValue);
> 
>+    static void compileStreaming(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSPromiseDeferred*, JSC::JSValue);
>+    static void instantiateStreaming(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSPromiseDeferred*, JSC::JSValue, JSC::JSObject*);
>+
>     static void promiseRejectionTracker(JSC::JSGlobalObject*, JSC::ExecState*, JSC::JSPromise*, JSC::JSPromiseRejectionOperation);
> 
>     RefPtr<DOMWindow> m_wrapped;
>diff --git a/Source/WebCore/bindings/js/JSRemoteDOMWindowBase.cpp b/Source/WebCore/bindings/js/JSRemoteDOMWindowBase.cpp
>index 47e340190f7b04472ddcca57f268e96a9942f9fa..66d2c8df9a87f7fad03cbc231ad13e28c205f595 100644
>--- a/Source/WebCore/bindings/js/JSRemoteDOMWindowBase.cpp
>+++ b/Source/WebCore/bindings/js/JSRemoteDOMWindowBase.cpp
>@@ -48,6 +48,8 @@ const GlobalObjectMethodTable JSRemoteDOMWindowBase::s_globalObjectMethodTable =
>     nullptr, // moduleLoaderEvaluate
>     nullptr, // promiseRejectionTracker
>     nullptr, // defaultLanguage
>+    nullptr, // compileStreaming
>+    nullptr, // instantiateStreaming
> };
> 
> JSRemoteDOMWindowBase::JSRemoteDOMWindowBase(VM& vm, Structure* structure, RefPtr<RemoteDOMWindow>&& window, JSWindowProxy* proxy)
>diff --git a/Source/WebCore/bindings/js/JSWorkerGlobalScopeBase.cpp b/Source/WebCore/bindings/js/JSWorkerGlobalScopeBase.cpp
>index 85bf75c51b2b2ffe7a74742fa0ddfb73c13b5b7a..fd60df88afd6e09166c41b0279d22318dad888e3 100644
>--- a/Source/WebCore/bindings/js/JSWorkerGlobalScopeBase.cpp
>+++ b/Source/WebCore/bindings/js/JSWorkerGlobalScopeBase.cpp
>@@ -61,7 +61,9 @@ const GlobalObjectMethodTable JSWorkerGlobalScopeBase::s_globalObjectMethodTable
>     nullptr, // moduleLoaderCreateImportMetaProperties
>     nullptr, // moduleLoaderEvaluate
>     nullptr, // promiseRejectionTracker
>-    &defaultLanguage
>+    &defaultLanguage,
>+    nullptr, // compileStreaming
>+    nullptr, // instantiateStreaming
> };
> 
> JSWorkerGlobalScopeBase::JSWorkerGlobalScopeBase(JSC::VM& vm, JSC::Structure* structure, RefPtr<WorkerGlobalScope>&& impl)
>diff --git a/Source/WebKit/Configurations/FeatureDefines.xcconfig b/Source/WebKit/Configurations/FeatureDefines.xcconfig
>index 50840d826a4f8ce055531a194735df51b5167faa..17b66798a8437de3f4588bbcf0dc5260d92a578c 100644
>--- a/Source/WebKit/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebKit/Configurations/FeatureDefines.xcconfig
>@@ -355,6 +355,8 @@ ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN_macosx = ENABLE_VIDEO_USES_ELEMENT_FULLSCRE
> 
> ENABLE_WEBASSEMBLY = ;
> 
>+ENABLE_WEBASSEMBLY_STREAMING_API = ;
>+
> ENABLE_WEBGL = ENABLE_WEBGL;
> 
> ENABLE_WEBGL2 = ENABLE_WEBGL2;
>@@ -381,4 +383,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/WebKit/WebKit.xcodeproj/project.pbxproj b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>index 882bb8aadb2dc01184c4c3fb77fb7f36e5ff9ab4..c073fd0bd0dff8be7f402984eae6232ef7a6a8e2 100644
>--- a/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>+++ b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
>@@ -810,12 +810,12 @@
> 		371A19421824D29300F32A5E /* WKNSDictionary.h in Headers */ = {isa = PBXBuildFile; fileRef = 371A19401824D29300F32A5E /* WKNSDictionary.h */; };
> 		371E69591AED7A0F00495E48 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BC3DE46815A91763008D26FC /* Foundation.framework */; };
> 		371E695A1AED7A5B00495E48 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BC3DE46815A91763008D26FC /* Foundation.framework */; };
>-		371E695B1AED7A6700495E48 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* WebKit.framework */; };
>+		371E695B1AED7A6700495E48 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* .framework */; };
> 		372CAF0B1833FD910040AC27 /* WKNSError.h in Headers */ = {isa = PBXBuildFile; fileRef = 372CAF091833FD910040AC27 /* WKNSError.h */; };
> 		372CAF0C1833FD910040AC27 /* WKNSError.mm in Sources */ = {isa = PBXBuildFile; fileRef = 372CAF0A1833FD910040AC27 /* WKNSError.mm */; };
> 		372EBB3C2017E64300085064 /* XPCServiceMain.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC82839616B47EC400A278FE /* XPCServiceMain.mm */; };
> 		372EBB3E2017E64300085064 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BC3DE46815A91763008D26FC /* Foundation.framework */; };
>-		372EBB3F2017E64300085064 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* WebKit.framework */; };
>+		372EBB3F2017E64300085064 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* .framework */; };
> 		372EBB412017E64300085064 /* WebContentProcess.xib in Resources */ = {isa = PBXBuildFile; fileRef = E1D26A4C1759634E0095BFD1 /* WebContentProcess.xib */; };
> 		373CEAD5185417AE008C363D /* WKNSData.mm in Sources */ = {isa = PBXBuildFile; fileRef = 373CEAD3185417AE008C363D /* WKNSData.mm */; };
> 		373CEAD6185417AE008C363D /* WKNSData.h in Headers */ = {isa = PBXBuildFile; fileRef = 373CEAD4185417AE008C363D /* WKNSData.h */; };
>@@ -1179,7 +1179,7 @@
> 		51F060E11654318500F3283F /* NetworkMDNSRegisterMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51F060DD1654317500F3283F /* NetworkMDNSRegisterMessageReceiver.cpp */; };
> 		51F7DC41180CC93600212CA3 /* XPCServiceMain.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC82839616B47EC400A278FE /* XPCServiceMain.mm */; };
> 		51F7DC43180CC93600212CA3 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BC3DE46815A91763008D26FC /* Foundation.framework */; };
>-		51F7DC44180CC93600212CA3 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* WebKit.framework */; };
>+		51F7DC44180CC93600212CA3 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* .framework */; };
> 		51F886A51F2C227E00C193EF /* WKTestingSupport.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51F886A31F2C214A00C193EF /* WKTestingSupport.cpp */; };
> 		51F886A61F2C228100C193EF /* WKTestingSupport.h in Headers */ = {isa = PBXBuildFile; fileRef = 51F886A41F2C214A00C193EF /* WKTestingSupport.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		51FA2D7415212DF100C1BA0B /* InjectedBundleDOMWindowExtension.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51FA2D5C15211A5000C1BA0B /* InjectedBundleDOMWindowExtension.cpp */; };
>@@ -1833,9 +1833,9 @@
> 		BC8147D612F66D31007B2C32 /* InjectedBundleNavigationAction.cpp in Sources */ = {isa = PBXBuildFile; fileRef = BC8147D412F66D31007B2C32 /* InjectedBundleNavigationAction.cpp */; };
> 		BC82839916B48DC000A278FE /* WebContentServiceEntryPoint.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC82839816B48DC000A278FE /* WebContentServiceEntryPoint.mm */; };
> 		BC8283AC16B4BF3F00A278FE /* NetworkServiceEntryPoint.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC8283A816B4BD9100A278FE /* NetworkServiceEntryPoint.mm */; };
>-		BC8283DA16B4DB9300A278FE /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* WebKit.framework */; };
>+		BC8283DA16B4DB9300A278FE /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* .framework */; };
> 		BC82844D16B5081C00A278FE /* PluginServiceEntryPoint.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC8283EF16B4F8E200A278FE /* PluginServiceEntryPoint.mm */; };
>-		BC82844F16B5089800A278FE /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* WebKit.framework */; };
>+		BC82844F16B5089800A278FE /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* .framework */; };
> 		BC8452A71162C80900CAB9B5 /* DrawingArea.cpp in Sources */ = {isa = PBXBuildFile; fileRef = BC8452A51162C80900CAB9B5 /* DrawingArea.cpp */; };
> 		BC8452A81162C80900CAB9B5 /* DrawingArea.h in Headers */ = {isa = PBXBuildFile; fileRef = BC8452A61162C80900CAB9B5 /* DrawingArea.h */; };
> 		BC84EB1812A7100C0083F2DA /* WebPreferencesMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC84EB1712A7100C0083F2DA /* WebPreferencesMac.mm */; };
>@@ -1879,7 +1879,7 @@
> 		BCA8C6A911E3BA5F00812FB7 /* InjectedBundlePageLoaderClient.h in Headers */ = {isa = PBXBuildFile; fileRef = BCA8C6A711E3BA5F00812FB7 /* InjectedBundlePageLoaderClient.h */; };
> 		BCA8C6AF11E3C08700812FB7 /* InjectedBundlePageUIClient.cpp in Sources */ = {isa = PBXBuildFile; fileRef = BCA8C6AD11E3C08700812FB7 /* InjectedBundlePageUIClient.cpp */; };
> 		BCA8C6B011E3C08700812FB7 /* InjectedBundlePageUIClient.h in Headers */ = {isa = PBXBuildFile; fileRef = BCA8C6AE11E3C08700812FB7 /* InjectedBundlePageUIClient.h */; };
>-		BCAE9E08160C1C0700A33217 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* WebKit.framework */; };
>+		BCAE9E08160C1C0700A33217 /* .framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8DC2EF5B0486A6940098B216 /* .framework */; };
> 		BCAF362016CA28D600D4E9FC /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = BC3DE46815A91763008D26FC /* Foundation.framework */; };
> 		BCB63478116BF10600603215 /* WebKit2_C.h in Headers */ = {isa = PBXBuildFile; fileRef = BCB63477116BF10600603215 /* WebKit2_C.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		BCB9E24B1120E15C00A137E0 /* WKContext.h in Headers */ = {isa = PBXBuildFile; fileRef = BCB9E2491120E15C00A137E0 /* WKContext.h */; settings = {ATTRIBUTES = (Private, ); }; };
>@@ -3199,7 +3199,7 @@
> 		37209CAB2079D4BA0009E25B /* WebContent.Development.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = WebContent.Development.entitlements; sourceTree = "<group>"; };
> 		372CAF091833FD910040AC27 /* WKNSError.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKNSError.h; sourceTree = "<group>"; };
> 		372CAF0A1833FD910040AC27 /* WKNSError.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WKNSError.mm; sourceTree = "<group>"; };
>-		372EBB462017E64300085064 /* com.apple.WebKit.WebContent.Development.xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = com.apple.WebKit.WebContent.Development.xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>+		372EBB462017E64300085064 /* .xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = .xpc; sourceTree = BUILT_PRODUCTS_DIR; };
> 		372EBB4A2017E76000085064 /* WebContentService.Development.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = WebContentService.Development.xcconfig; sourceTree = "<group>"; };
> 		373CEAD3185417AE008C363D /* WKNSData.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WKNSData.mm; sourceTree = "<group>"; };
> 		373CEAD4185417AE008C363D /* WKNSData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKNSData.h; sourceTree = "<group>"; };
>@@ -3623,7 +3623,7 @@
> 		51F060DD1654317500F3282F /* WebMDNSRegisterMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = WebMDNSRegisterMessageReceiver.cpp; sourceTree = "<group>"; };
> 		51F060DD1654317500F3283F /* NetworkMDNSRegisterMessageReceiver.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkMDNSRegisterMessageReceiver.cpp; sourceTree = "<group>"; };
> 		51F060DE1654317500F3281B /* WebResourceLoaderMessages.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = WebResourceLoaderMessages.h; sourceTree = "<group>"; };
>-		51F7DC4A180CC93600212CA3 /* com.apple.WebKit.Storage.xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = com.apple.WebKit.Storage.xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>+		51F7DC4A180CC93600212CA3 /* .xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = .xpc; sourceTree = BUILT_PRODUCTS_DIR; };
> 		51F886A31F2C214A00C193EF /* WKTestingSupport.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WKTestingSupport.cpp; sourceTree = "<group>"; };
> 		51F886A41F2C214A00C193EF /* WKTestingSupport.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKTestingSupport.h; sourceTree = "<group>"; };
> 		51FA2D541521118600C1BA0B /* WKBundleDOMWindowExtension.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKBundleDOMWindowExtension.h; sourceTree = "<group>"; };
>@@ -3963,7 +3963,7 @@
> 		86F9536218FF550B001DB2EF /* ProcessAssertionIOS.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = ProcessAssertionIOS.mm; path = ios/ProcessAssertionIOS.mm; sourceTree = "<group>"; };
> 		8CFECE931490F140002AAA32 /* EditorState.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = EditorState.cpp; sourceTree = "<group>"; };
> 		8DC2EF5A0486A6940098B216 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
>-		8DC2EF5B0486A6940098B216 /* WebKit.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = WebKit.framework; sourceTree = BUILT_PRODUCTS_DIR; };
>+		8DC2EF5B0486A6940098B216 /* .framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = .framework; sourceTree = BUILT_PRODUCTS_DIR; };
> 		905620E512BC2476000799B6 /* WebMemorySampler.mac.mm */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebMemorySampler.mac.mm; sourceTree = "<group>"; tabWidth = 8; usesTabs = 0; };
> 		905620E812BC248B000799B6 /* WebMemorySampler.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebMemorySampler.cpp; sourceTree = "<group>"; };
> 		905620E912BC248B000799B6 /* WebMemorySampler.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebMemorySampler.h; sourceTree = "<group>"; };
>@@ -4246,7 +4246,7 @@
> 		BC33E0D012408E8600360F3F /* InjectedBundleRangeHandle.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = InjectedBundleRangeHandle.cpp; sourceTree = "<group>"; };
> 		BC39C4331626366F008BC689 /* WKDOMRange.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WKDOMRange.mm; sourceTree = "<group>"; };
> 		BC39C4341626366F008BC689 /* WKDOMRange.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKDOMRange.h; sourceTree = "<group>"; };
>-		BC3DE46615A91763008D26FC /* com.apple.WebKit.WebContent.xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = com.apple.WebKit.WebContent.xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>+		BC3DE46615A91763008D26FC /* .xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = .xpc; sourceTree = BUILT_PRODUCTS_DIR; };
> 		BC3DE46815A91763008D26FC /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
> 		BC4075D7124FF0270068F20A /* WKArray.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WKArray.cpp; sourceTree = "<group>"; };
> 		BC4075D8124FF0270068F20A /* WKArray.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKArray.h; sourceTree = "<group>"; };
>@@ -4352,12 +4352,12 @@
> 		BC8283A316B4BD9100A278FE /* Info-OSX.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "Info-OSX.plist"; sourceTree = "<group>"; };
> 		BC8283A816B4BD9100A278FE /* NetworkServiceEntryPoint.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = NetworkServiceEntryPoint.mm; sourceTree = "<group>"; };
> 		BC8283AB16B4BEAD00A278FE /* NetworkService.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = NetworkService.xcconfig; sourceTree = "<group>"; };
>-		BC8283B116B4BF7700A278FE /* com.apple.WebKit.Networking.xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = com.apple.WebKit.Networking.xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>+		BC8283B116B4BF7700A278FE /* .xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = .xpc; sourceTree = BUILT_PRODUCTS_DIR; };
> 		BC8283EF16B4F8E200A278FE /* PluginServiceEntryPoint.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = PluginServiceEntryPoint.mm; sourceTree = "<group>"; };
> 		BC8283F216B4FC5300A278FE /* PluginService.32.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = PluginService.32.xcconfig; sourceTree = "<group>"; };
> 		BC8283F416B4FC5300A278FE /* PluginService.64.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = PluginService.64.xcconfig; sourceTree = "<group>"; };
>-		BC8283F916B4FDDE00A278FE /* com.apple.WebKit.Plugin.32.xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = com.apple.WebKit.Plugin.32.xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>-		BC82841F16B4FDF600A278FE /* com.apple.WebKit.Plugin.64.xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = com.apple.WebKit.Plugin.64.xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>+		BC8283F916B4FDDE00A278FE /* .xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = .xpc; sourceTree = BUILT_PRODUCTS_DIR; };
>+		BC82841F16B4FDF600A278FE /* .xpc */ = {isa = PBXFileReference; explicitFileType = "wrapper.xpc-service"; includeInIndex = 0; path = .xpc; sourceTree = BUILT_PRODUCTS_DIR; };
> 		BC8452A51162C80900CAB9B5 /* DrawingArea.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = DrawingArea.cpp; sourceTree = "<group>"; };
> 		BC8452A61162C80900CAB9B5 /* DrawingArea.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DrawingArea.h; sourceTree = "<group>"; };
> 		BC84EB1712A7100C0083F2DA /* WebPreferencesMac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebPreferencesMac.mm; sourceTree = "<group>"; };
>@@ -4748,7 +4748,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				372EBB3E2017E64300085064 /* Foundation.framework in Frameworks */,
>-				372EBB3F2017E64300085064 /* WebKit.framework in Frameworks */,
>+				372EBB3F2017E64300085064 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4764,7 +4764,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				51F7DC43180CC93600212CA3 /* Foundation.framework in Frameworks */,
>-				51F7DC44180CC93600212CA3 /* WebKit.framework in Frameworks */,
>+				51F7DC44180CC93600212CA3 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4785,7 +4785,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				BCAF362016CA28D600D4E9FC /* Foundation.framework in Frameworks */,
>-				BC8283DA16B4DB9300A278FE /* WebKit.framework in Frameworks */,
>+				BC8283DA16B4DB9300A278FE /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4794,7 +4794,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				371E695A1AED7A5B00495E48 /* Foundation.framework in Frameworks */,
>-				371E695B1AED7A6700495E48 /* WebKit.framework in Frameworks */,
>+				371E695B1AED7A6700495E48 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4803,7 +4803,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				371E69591AED7A0F00495E48 /* Foundation.framework in Frameworks */,
>-				BC82844F16B5089800A278FE /* WebKit.framework in Frameworks */,
>+				BC82844F16B5089800A278FE /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4812,7 +4812,7 @@
> 			buildActionMask = 2147483647;
> 			files = (
> 				BC9FA520160D3B430054DF9A /* Foundation.framework in Frameworks */,
>-				BCAE9E08160C1C0700A33217 /* WebKit.framework in Frameworks */,
>+				BCAE9E08160C1C0700A33217 /* .framework in Frameworks */,
> 			);
> 			runOnlyForDeploymentPostprocessing = 0;
> 		};
>@@ -4829,15 +4829,15 @@
> 		034768DFFF38A50411DB9C8B /* Products */ = {
> 			isa = PBXGroup;
> 			children = (
>-				BC8283B116B4BF7700A278FE /* com.apple.WebKit.Networking.xpc */,
>-				BC8283F916B4FDDE00A278FE /* com.apple.WebKit.Plugin.32.xpc */,
>-				BC82841F16B4FDF600A278FE /* com.apple.WebKit.Plugin.64.xpc */,
>-				51F7DC4A180CC93600212CA3 /* com.apple.WebKit.Storage.xpc */,
>-				372EBB462017E64300085064 /* com.apple.WebKit.WebContent.Development.xpc */,
>-				BC3DE46615A91763008D26FC /* com.apple.WebKit.WebContent.xpc */,
>+				BC8283B116B4BF7700A278FE /* .xpc */,
>+				BC8283F916B4FDDE00A278FE /* .xpc */,
>+				BC82841F16B4FDF600A278FE /* .xpc */,
>+				51F7DC4A180CC93600212CA3 /* .xpc */,
>+				372EBB462017E64300085064 /* .xpc */,
>+				BC3DE46615A91763008D26FC /* .xpc */,
> 				1AC25FB012A48EA700BD2671 /* PluginProcessShim.dylib */,
> 				510031F61379CACB00C8DFE4 /* SecItemShim.dylib */,
>-				8DC2EF5B0486A6940098B216 /* WebKit.framework */,
>+				8DC2EF5B0486A6940098B216 /* .framework */,
> 				CDC3830617211799008A2FC3 /* WebProcessShim.dylib */,
> 			);
> 			name = Products;
>@@ -9852,7 +9852,7 @@
> 			);
> 			name = WebContent.Development;
> 			productName = WebKit2Service;
>-			productReference = 372EBB462017E64300085064 /* com.apple.WebKit.WebContent.Development.xpc */;
>+			productReference = 372EBB462017E64300085064 /* .xpc */;
> 			productType = "com.apple.product-type.xpc-service";
> 		};
> 		510031EA1379CACB00C8DFE4 /* SecItemShim */ = {
>@@ -9887,7 +9887,7 @@
> 			);
> 			name = Databases;
> 			productName = Networking;
>-			productReference = 51F7DC4A180CC93600212CA3 /* com.apple.WebKit.Storage.xpc */;
>+			productReference = 51F7DC4A180CC93600212CA3 /* .xpc */;
> 			productType = "com.apple.product-type.xpc-service";
> 		};
> 		8DC2EF4F0486A6940098B216 /* WebKit */ = {
>@@ -9928,7 +9928,7 @@
> 			name = WebKit;
> 			productInstallPath = "$(HOME)/Library/Frameworks";
> 			productName = WebKit2;
>-			productReference = 8DC2EF5B0486A6940098B216 /* WebKit.framework */;
>+			productReference = 8DC2EF5B0486A6940098B216 /* .framework */;
> 			productType = "com.apple.product-type.framework";
> 		};
> 		BC3DE46515A91763008D26FC /* WebContent */ = {
>@@ -9946,7 +9946,7 @@
> 			);
> 			name = WebContent;
> 			productName = WebKit2Service;
>-			productReference = BC3DE46615A91763008D26FC /* com.apple.WebKit.WebContent.xpc */;
>+			productReference = BC3DE46615A91763008D26FC /* .xpc */;
> 			productType = "com.apple.product-type.xpc-service";
> 		};
> 		BC8283B016B4BF7700A278FE /* Networking */ = {
>@@ -9964,7 +9964,7 @@
> 			);
> 			name = Networking;
> 			productName = Networking;
>-			productReference = BC8283B116B4BF7700A278FE /* com.apple.WebKit.Networking.xpc */;
>+			productReference = BC8283B116B4BF7700A278FE /* .xpc */;
> 			productType = "com.apple.product-type.xpc-service";
> 		};
> 		BC8283F816B4FDDE00A278FE /* Plugin.32 */ = {
>@@ -9982,7 +9982,7 @@
> 			);
> 			name = Plugin.32;
> 			productName = Plugin.32;
>-			productReference = BC8283F916B4FDDE00A278FE /* com.apple.WebKit.Plugin.32.xpc */;
>+			productReference = BC8283F916B4FDDE00A278FE /* .xpc */;
> 			productType = "com.apple.product-type.xpc-service";
> 		};
> 		BC82841E16B4FDF600A278FE /* Plugin.64 */ = {
>@@ -10000,7 +10000,7 @@
> 			);
> 			name = Plugin.64;
> 			productName = Plugin.64;
>-			productReference = BC82841F16B4FDF600A278FE /* com.apple.WebKit.Plugin.64.xpc */;
>+			productReference = BC82841F16B4FDF600A278FE /* .xpc */;
> 			productType = "com.apple.product-type.xpc-service";
> 		};
> 		CDC382FB17211799008A2FC3 /* WebProcessShim */ = {
>diff --git a/Source/WebKitLegacy/WebKitLegacy.xcodeproj/project.pbxproj b/Source/WebKitLegacy/WebKitLegacy.xcodeproj/project.pbxproj
>index cb91cc3d362183f77bdb3bef93003b29def0c3c9..c541de13d934392dd7244f128f36b2e051c7a5aa 100644
>--- a/Source/WebKitLegacy/WebKitLegacy.xcodeproj/project.pbxproj
>+++ b/Source/WebKitLegacy/WebKitLegacy.xcodeproj/project.pbxproj
>@@ -1070,7 +1070,7 @@
> 		9391F273121B38BD00EBF7E8 /* WebFrameNetworkingContext.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebFrameNetworkingContext.h; sourceTree = "<group>"; };
> 		9391F274121B38BD00EBF7E8 /* WebFrameNetworkingContext.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebFrameNetworkingContext.mm; sourceTree = "<group>"; };
> 		939811320824BF01008DF038 /* Info.plist */ = {isa = PBXFileReference; indentWidth = 4; lastKnownFileType = text.plist.xml; name = Info.plist; path = mac/Info.plist; sourceTree = SOURCE_ROOT; tabWidth = 8; usesTabs = 1; };
>-		939811330824BF01008DF038 /* WebKitLegacy.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = WebKitLegacy.framework; sourceTree = BUILT_PRODUCTS_DIR; };
>+		939811330824BF01008DF038 /* .framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = .framework; sourceTree = BUILT_PRODUCTS_DIR; };
> 		93AEB17D032C1735008635CE /* WebKitLogging.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 4; lastKnownFileType = sourcecode.c.h; path = WebKitLogging.h; sourceTree = "<group>"; tabWidth = 8; usesTabs = 0; };
> 		93AEB17E032C1735008635CE /* WebKitLogging.m */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 4; lastKnownFileType = sourcecode.c.objc; path = WebKitLogging.m; sourceTree = "<group>"; tabWidth = 8; usesTabs = 0; };
> 		93C6F14507920B93002449CD /* WebFrameViewPrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 4; lastKnownFileType = sourcecode.c.h; path = WebFrameViewPrivate.h; sourceTree = "<group>"; tabWidth = 8; usesTabs = 0; };
>@@ -1628,7 +1628,7 @@
> 		034768DFFF38A50411DB9C8B /* Products */ = {
> 			isa = PBXGroup;
> 			children = (
>-				939811330824BF01008DF038 /* WebKitLegacy.framework */,
>+				939811330824BF01008DF038 /* .framework */,
> 			);
> 			name = Products;
> 			sourceTree = "<group>";
>@@ -3214,7 +3214,7 @@
> 			name = WebKitLegacy;
> 			productInstallPath = /System/Library/Frameworks;
> 			productName = WebKitLegacy;
>-			productReference = 939811330824BF01008DF038 /* WebKitLegacy.framework */;
>+			productReference = 939811330824BF01008DF038 /* .framework */;
> 			productType = "com.apple.product-type.framework";
> 		};
> /* End PBXNativeTarget section */
>diff --git a/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig b/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>index 50840d826a4f8ce055531a194735df51b5167faa..17b66798a8437de3f4588bbcf0dc5260d92a578c 100644
>--- a/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>+++ b/Source/WebKitLegacy/mac/Configurations/FeatureDefines.xcconfig
>@@ -355,6 +355,8 @@ ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN_macosx = ENABLE_VIDEO_USES_ELEMENT_FULLSCRE
> 
> ENABLE_WEBASSEMBLY = ;
> 
>+ENABLE_WEBASSEMBLY_STREAMING_API = ;
>+
> ENABLE_WEBGL = ENABLE_WEBGL;
> 
> ENABLE_WEBGL2 = ENABLE_WEBGL2;
>@@ -381,4 +383,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/Source/cmake/WebKitFeatures.cmake b/Source/cmake/WebKitFeatures.cmake
>index 4aed8cb00a64a36598a5b8fe149633c38526ed01..0bbbd1fe2bcc7c4cd42a0dc706356d41a5f4d057 100644
>--- a/Source/cmake/WebKitFeatures.cmake
>+++ b/Source/cmake/WebKitFeatures.cmake
>@@ -175,6 +175,7 @@ macro(WEBKIT_OPTION_BEGIN)
>     WEBKIT_OPTION_DEFINE(ENABLE_VIDEO_TRACK "Toggle Track support for HTML5 video" PRIVATE ON)
>     WEBKIT_OPTION_DEFINE(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN "Toggle video element fullscreen support" PRIVATE ON)
>     WEBKIT_OPTION_DEFINE(ENABLE_WEBASSEMBLY "Toggle WebAssembly support" PRIVATE ${ENABLE_FTL_DEFAULT})
>+    WEBKIT_OPTION_DEFINE(ENABLE_WEBASSEMBLY_STREAMING_API "Toggle WebAssembly streaming api support." PRIVATE OFF)
>     WEBKIT_OPTION_DEFINE(ENABLE_WEBDRIVER "Whether to enable the WebDriver service process" PRIVATE OFF)
>     WEBKIT_OPTION_DEFINE(ENABLE_WEBGL "Toggle WebGL support" PRIVATE ON)
>     WEBKIT_OPTION_DEFINE(ENABLE_WEBGL2 "Toggle WebGL 2.0 support" PRIVATE OFF)
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index 5f79440757d43bbc2a53367644569ddff278741a..a3ee3e610105035f50bfa97e69b5615c1ba22ecc 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,12 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * TestWebKitAPI/Configurations/FeatureDefines.xcconfig:
>+
> 2018-04-28  Sihui Liu  <sihui_liu@apple.com>
> 
>         [Cocoa] Set HTTPOnly flag when converting Cookie to NSHTTPCookie
>diff --git a/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig b/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>index 50840d826a4f8ce055531a194735df51b5167faa..17b66798a8437de3f4588bbcf0dc5260d92a578c 100644
>--- a/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>+++ b/Tools/TestWebKitAPI/Configurations/FeatureDefines.xcconfig
>@@ -355,6 +355,8 @@ ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN_macosx = ENABLE_VIDEO_USES_ELEMENT_FULLSCRE
> 
> ENABLE_WEBASSEMBLY = ;
> 
>+ENABLE_WEBASSEMBLY_STREAMING_API = ;
>+
> ENABLE_WEBGL = ENABLE_WEBGL;
> 
> ENABLE_WEBGL2 = ENABLE_WEBGL2;
>@@ -381,4 +383,4 @@ ENABLE_WIRELESS_PLAYBACK_TARGET = ENABLE_WIRELESS_PLAYBACK_TARGET;
> 
> ENABLE_XSLT = ENABLE_XSLT;
> 
>-FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>+FEATURE_DEFINES = $(ENABLE_3D_TRANSFORMS) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_ACCELERATED_OVERFLOW_SCROLLING) $(ENABLE_APPLE_PAY) $(ENABLE_APPLE_PAY_SESSION_V3) $(ENABLE_APPLICATION_MANIFEST) $(ENABLE_ATTACHMENT_ELEMENT) $(ENABLE_AVF_CAPTIONS) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CONTENT_FILTERING) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS_ANIMATIONS_LEVEL_2) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_SCROLL_SNAP) $(ENABLE_CSS_SELECTORS_LEVEL4) $(ENABLE_CSS_TRAILING_WORD) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATA_INTERACTION) $(ENABLE_DATACUE_VALUE) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DRAG_SUPPORT) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_EXTRA_ZOOM_MODE) $(ENABLE_FAST_JIT_PERMISSIONS) $(ENABLE_FILTERS_LEVEL_2) $(ENABLE_FTL_JIT) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_ICONDATABASE) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDEXED_DATABASE_IN_WORKERS) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_INTERSECTION_OBSERVER) $(ENABLE_INTL) $(ENABLE_INTL_PLURAL_RULES) $(ENABLE_IOS_GESTURE_EVENTS) $(ENABLE_IOS_TOUCH_EVENTS) $(ENABLE_JIT) $(ENABLE_JS_ASYNC_ITERATION) $(ENABLE_KEYBOARD_CODE_ATTRIBUTE) $(ENABLE_KEYBOARD_KEY_ATTRIBUTE) $(ENABLE_LAYOUT_FORMATTING_CONTEXT) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_CUSTOM_PROTOCOL_MANAGER) $(ENABLE_LEGACY_ENCRYPTED_MEDIA) $(ENABLE_LETTERPRESS) $(ENABLE_MAC_GESTURE_EVENTS) $(ENABLE_MAC_VIDEO_TOOLBOX) $(ENABLE_MATHML) $(ENABLE_MEDIA_CAPTURE) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SESSION) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_MEDIA_STREAM) $(ENABLE_METER_ELEMENT) $(ENABLE_MINIMAL_SIMULATOR) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NAVIGATOR_STANDALONE) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAYMENT_REQUEST) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_POINTER_LOCK) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REMOTE_INSPECTOR) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_RESOURCE_USAGE) $(ENABLE_RUBBER_BANDING) $(ENABLE_SERVICE_CONTROLS) $(ENABLE_SERVICE_WORKER) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_STREAMS_API) $(ENABLE_SUBTLE_CRYPTO) $(ENABLE_SVG_FONTS) $(ENABLE_TELEPHONE_NUMBER_DETECTION) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_TOUCH_EVENTS) $(ENABLE_USER_MESSAGE_HANDLERS) $(ENABLE_USERSELECT_ALL) $(ENABLE_VARIATION_FONTS) $(ENABLE_VIDEO) $(ENABLE_VIDEO_PRESENTATION_MODE) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIDEO_USES_ELEMENT_FULLSCREEN) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_AUTHN) $(ENABLE_WEB_RTC) $(ENABLE_WEBASSEMBLY) $(ENABLE_WEBASSEMBLY_STREAMING_API) $(ENABLE_WEBGL) $(ENABLE_WEBGL2) $(ENABLE_WEBGPU) $(ENABLE_WIRELESS_PLAYBACK_TARGET) $(ENABLE_XSLT);
>diff --git a/LayoutTests/imported/w3c/ChangeLog b/LayoutTests/imported/w3c/ChangeLog
>index a4f312415438db70eca411c962f93e2b61e6eb25..f17581b5fbe1a7791760a5d415e1253a607d83cf 100644
>--- a/LayoutTests/imported/w3c/ChangeLog
>+++ b/LayoutTests/imported/w3c/ChangeLog
>@@ -1,3 +1,20 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * web-platform-tests/wasm/resources/incrementer.no_mime_type.wasm: Added.
>+        * web-platform-tests/wasm/resources/incrementer.wasm: Added.
>+        * web-platform-tests/wasm/resources/incrementer.wasm.headers: Added.
>+        * web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm: Added.
>+        * web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm.headers: Added.
>+        * web-platform-tests/wasm/wasm_stream_compile_test-expected.txt: Added.
>+        * web-platform-tests/wasm/wasm_stream_compile_test.html: Added.
>+        * web-platform-tests/wasm/wasm_stream_instantiate_test-expected.txt: Added.
>+        * web-platform-tests/wasm/wasm_stream_instantiate_test.html: Added.
>+
> 2018-04-27  Ryan Haddad  <ryanhaddad@apple.com>
> 
>         Rebaseline imported/w3c/web-platform-tests/url/url-setters.html after r231110.
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.no_mime_type.wasm b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.no_mime_type.wasm
>new file mode 100644
>index 0000000000000000000000000000000000000000..47afcdef2a2812acccecd0f203d30d3023593f3d
>GIT binary patch
>literal 46
>zcmZQbEY4+QU|?WmV@zPIXRK#tVq{?FW#r7vOD;;yP0cG|VBq3pWM@!daAeHl1^}?K
>B2ZjIu
>
>literal 0
>HcmV?d00001
>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wasm b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wasm
>new file mode 100644
>index 0000000000000000000000000000000000000000..47afcdef2a2812acccecd0f203d30d3023593f3d
>GIT binary patch
>literal 46
>zcmZQbEY4+QU|?WmV@zPIXRK#tVq{?FW#r7vOD;;yP0cG|VBq3pWM@!daAeHl1^}?K
>B2ZjIu
>
>literal 0
>HcmV?d00001
>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wasm.headers b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wasm.headers
>new file mode 100644
>index 0000000000000000000000000000000000000000..76b9c163b6cd337d653dce90f82b3ab24dc1239a
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wasm.headers
>@@ -0,0 +1,2 @@
>+Content-Type: application/wasm
>+Cache-Control: max-age=3600
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm
>new file mode 100644
>index 0000000000000000000000000000000000000000..47afcdef2a2812acccecd0f203d30d3023593f3d
>GIT binary patch
>literal 46
>zcmZQbEY4+QU|?WmV@zPIXRK#tVq{?FW#r7vOD;;yP0cG|VBq3pWM@!daAeHl1^}?K
>B2ZjIu
>
>literal 0
>HcmV?d00001
>
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm.headers b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm.headers
>new file mode 100644
>index 0000000000000000000000000000000000000000..833ee71634def23f8dc089c8f89fbc09d8d69754
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/wasm/resources/incrementer.wrong_mime_type.wasm.headers
>@@ -0,0 +1,2 @@
>+Content-Type: text/css
>+Cache-Control: max-age=3600
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_compile_test-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_compile_test-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..613636078d6413592308d507c15f8dea71853254
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_compile_test-expected.txt
>@@ -0,0 +1,12 @@
>+
>+FAIL compileStreaming using resolved response promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(response)', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming using resolved response and check instantiate promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(response)', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming using promise response from fetch and check instantiate promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(result)', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming raise error if wrong mime type assert_true: expected true got false
>+FAIL compileStreaming raise error if no mime type assert_true: expected true got false
>+FAIL compileStreaming raise error if 404 status assert_equals: expected "Response has not returned OK status" but got "WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(result)', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming check CORS promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(result)', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming raise error if no-cors assert_equals: expected "Response is not CORS-same-origin" but got "WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(result)', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming receive promise with response created from ArrayBuffer promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(new Response(v, { headers: { "Content-Type" : "application/wasm" }}))', 'WebAssembly.compileStreaming' is undefined)"
>+FAIL compileStreaming receive response that deliver data by chunks as bufferArray promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.compileStreaming is not a function. (In 'WebAssembly.compileStreaming(new Response(stream, { headers: { "Content-Type" : "application/wasm" }}))', 'WebAssembly.compileStreaming' is undefined)"
>+
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_compile_test.html b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_compile_test.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..9273ff195a7262f07633b62e3e8458cec0dcd0db
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_compile_test.html
>@@ -0,0 +1,109 @@
>+<!DOCTYPE html>
>+<script src="/resources/testharness.js"></script>
>+<script src="/resources/testharnessreport.js"></script>
>+<script src="/common/get-host-info.sub.js"></script>
>+<script>
>+
>+  promise_test(async function() {
>+      var response = await fetch('resources/incrementer.wasm');
>+      const module = await WebAssembly.compileStreaming(response);
>+      assert_true(module instanceof WebAssembly.Module);
>+  }, "compileStreaming using resolved response");
>+
>+  promise_test(async function() {
>+      var response = await fetch('resources/incrementer.wasm');
>+      const module = await WebAssembly.compileStreaming(response);
>+      const instance = new WebAssembly.Instance(module);
>+      assert_true(instance instanceof WebAssembly.Instance);
>+  }, "compileStreaming using resolved response and check instantiate");
>+
>+  promise_test(async function() {
>+      var result = fetch('resources/incrementer.wasm');
>+      const module = await WebAssembly.compileStreaming(result);
>+      const instance = new WebAssembly.Instance(module);
>+      assert_true(instance instanceof WebAssembly.Instance);
>+  }, "compileStreaming using promise response from fetch and check instantiate");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch('resources/incrementer.wrong_mime_type.wasm');
>+      const module = await WebAssembly.compileStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_true(e.message.includes('MIME type'));
>+      assert_true(e instanceof Error);
>+    }
>+  }, "compileStreaming raise error if wrong mime type");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch('resources/incrementer.no_mime_type.wasm');
>+      const module = await WebAssembly.compileStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_true(e.message.includes('MIME type'));
>+      assert_true(e instanceof Error);
>+    }
>+  }, "compileStreaming raise error if no mime type");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch('resources/incrementer1.wasm');
>+      const module = await WebAssembly.compileStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_equals(e.message, "Response has not returned OK status");
>+      assert_true(e instanceof Error);
>+    }
>+  }, "compileStreaming raise error if 404 status");
>+
>+  const getWasmUrl = fileName => { 
>+    var host_info = get_host_info();
>+    var url = host_info.HTTP_ORIGIN_WITH_DIFFERENT_PORT  +  '/wasm/';
>+    return url + fileName + "?pipe=header(Access-Control-Allow-Origin,*)";
>+  };
>+
>+  promise_test(async function() {
>+      var result = fetch(getWasmUrl('resources/incrementer.wasm'), {"mode": "cors"} );
>+      const module = await WebAssembly.compileStreaming(result);
>+      assert_true(module instanceof WebAssembly.Module);
>+  }, "compileStreaming check CORS");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch(getWasmUrl('resources/incrementer.wasm'), {"mode": "no-cors"} );
>+      const module = await WebAssembly.compileStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_equals(e.message, "Response is not CORS-same-origin");
>+      assert_true(e instanceof Error);
>+    }
>+  }, "compileStreaming raise error if no-cors");
>+
>+  promise_test(async function() {
>+    const module = await fetch('resources/incrementer.wasm')
>+      .then(v => v.arrayBuffer())
>+      .then(v => WebAssembly.compileStreaming(new Response(v, { headers: { "Content-Type" : "application/wasm" }})));
>+    assert_true(module instanceof WebAssembly.Module);
>+  }, "compileStreaming receive promise with response created from ArrayBuffer");
>+
>+  promise_test(async function() {
>+    const module = await fetch('resources/incrementer.wasm')
>+      .then(v => v.arrayBuffer())
>+      .then(buffer => {
>+        const stream = new ReadableStream({ 
>+          start(controller) {
>+            (async () => {
>+              await Promise.resolve().then(() => controller.enqueue(buffer.slice(0, 20)));
>+              await Promise.resolve().then(() => controller.enqueue(buffer.slice(20, buffer.byteLength)));
>+              await Promise.resolve().then(() => controller.close());
>+            })();
>+          }
>+        });
>+        return stream; 
>+      }) 
>+      .then(stream => WebAssembly.compileStreaming(new Response(stream, { headers: { "Content-Type" : "application/wasm" }})));
>+    assert_true(module instanceof WebAssembly.Module);
>+  }, "compileStreaming receive response that deliver data by chunks as bufferArray");
>+</script>
>+
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_instantiate_test-expected.txt b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_instantiate_test-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..4137cc491628c995bc59b4106e1f30c0b11ea360
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_instantiate_test-expected.txt
>@@ -0,0 +1,12 @@
>+
>+FAIL instantiateStreaming using resolved response promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(response)', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming using resolved response and check instantiate promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(response)', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming using promise response from fetch and check instantiate promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(result)', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming raise error if wrong mime type assert_true: expected true got false
>+FAIL instantiateStreaming raise error if no mime type assert_true: expected true got false
>+FAIL instantiateStreaming raise error if 404 status assert_equals: expected "Response has not returned OK status" but got "WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(result)', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming check CORS promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(result)', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming raise error if no-cors assert_equals: expected "Response is not CORS-same-origin" but got "WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(result)', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming receive promise with response created from ArrayBuffer promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(new Response(v, { headers: { "Content-Type" : "application/wasm" }}))', 'WebAssembly.instantiateStreaming' is undefined)"
>+FAIL instantiateStreaming receive response that deliver data by chunks as bufferArray promise_test: Unhandled rejection with value: object "TypeError: WebAssembly.instantiateStreaming is not a function. (In 'WebAssembly.instantiateStreaming(new Response(stream, { headers: { "Content-Type" : "application/wasm" }}))', 'WebAssembly.instantiateStreaming' is undefined)"
>+
>diff --git a/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_instantiate_test.html b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_instantiate_test.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..2d0f35d6cfb668235de13273e611bc1d524f3b1b
>--- /dev/null
>+++ b/LayoutTests/imported/w3c/web-platform-tests/wasm/wasm_stream_instantiate_test.html
>@@ -0,0 +1,106 @@
>+<!DOCTYPE html>
>+<script src="/resources/testharness.js"></script>
>+<script src="/resources/testharnessreport.js"></script>
>+<script src="/common/get-host-info.sub.js"></script>
>+<script>
>+  promise_test(async function() {
>+      var response = await fetch('resources/incrementer.wasm');
>+      const { instance, module } = await WebAssembly.instantiateStreaming(response);
>+      assert_true(instance instanceof WebAssembly.Instance);
>+      assert_true(module instanceof WebAssembly.Module);
>+  }, "instantiateStreaming using resolved response");
>+
>+  promise_test(async function() {
>+      var response = await fetch('resources/incrementer.wasm');
>+      const { instance } = await WebAssembly.instantiateStreaming(response);
>+      assert_true(instance instanceof WebAssembly.Instance);
>+  }, "instantiateStreaming using resolved response and check instantiate");
>+
>+  promise_test(async function() {
>+      var result = fetch('resources/incrementer.wasm');
>+      const { instance } = await WebAssembly.instantiateStreaming(result);
>+      assert_true(instance instanceof WebAssembly.Instance);
>+  }, "instantiateStreaming using promise response from fetch and check instantiate");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch('resources/incrementer.wrong_mime_type.wasm');
>+      const { instance } = await WebAssembly.instantiateStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_true(e.message.includes('MIME type'));
>+      assert_true(e instanceof Error);
>+    }
>+  }, "instantiateStreaming raise error if wrong mime type");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch('resources/incrementer.no_mime_type.wasm');
>+      const { instance } = await WebAssembly.instantiateStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_true(e.message.includes('MIME type'));
>+      assert_true(e instanceof Error);
>+    }
>+  }, "instantiateStreaming raise error if no mime type");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch('resources/incrementer1.wasm');
>+      const { instance } = await WebAssembly.instantiateStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_equals(e.message, "Response has not returned OK status");
>+      assert_true(e instanceof Error);
>+    }
>+  }, "instantiateStreaming raise error if 404 status");
>+
>+  const getWasmUrl = fileName => { 
>+    var host_info = get_host_info();
>+    var url = host_info.HTTP_ORIGIN_WITH_DIFFERENT_PORT  +  '/wasm/';
>+    return url + fileName + "?pipe=header(Access-Control-Allow-Origin,*)";
>+  };
>+
>+  promise_test(async function() {
>+      var result = fetch(getWasmUrl('resources/incrementer.wasm'), {"mode": "cors"} );
>+      const { instance } = await WebAssembly.instantiateStreaming(result);
>+      assert_true(instance instanceof WebAssembly.Instance);
>+  }, "instantiateStreaming check CORS");
>+
>+  promise_test(async function() {
>+    try {
>+      var result = fetch(getWasmUrl('resources/incrementer.wasm'), {"mode": "no-cors"} );
>+      const { instance } = await WebAssembly.instantiateStreaming(result);
>+      assert_true(false);
>+    } catch (e) {
>+      assert_equals(e.message, "Response is not CORS-same-origin");
>+      assert_true(e instanceof Error);
>+    }
>+  }, "instantiateStreaming raise error if no-cors");
>+
>+  promise_test(async function() {
>+    const { instance } = await fetch('resources/incrementer.wasm')
>+      .then(v => v.arrayBuffer())
>+      .then(v => WebAssembly.instantiateStreaming(new Response(v, { headers: { "Content-Type" : "application/wasm" }})));
>+    assert_true(instance instanceof WebAssembly.Instance);
>+  }, "instantiateStreaming receive promise with response created from ArrayBuffer");
>+
>+  promise_test(async function() {
>+    const { instance } = a = await fetch('resources/incrementer.wasm')
>+      .then(v => v.arrayBuffer())
>+      .then(buffer => {
>+        const stream = new ReadableStream({ 
>+          start(controller) {
>+            (async () => {
>+              await Promise.resolve().then(() => controller.enqueue(buffer.slice(0, 20)));
>+              await Promise.resolve().then(() => controller.enqueue(buffer.slice(20, buffer.byteLength)));
>+              await Promise.resolve().then(() => controller.close());
>+            })();
>+          }
>+        });
>+        return stream; 
>+      }) 
>+      .then(stream => WebAssembly.instantiateStreaming(new Response(stream, { headers: { "Content-Type" : "application/wasm" }})));
>+    assert_true(instance instanceof WebAssembly.Instance);
>+  }, "instantiateStreaming receive response that deliver data by chunks as bufferArray");
>+</script>
>\ No newline at end of file
>diff --git a/ChangeLog b/ChangeLog
>index 58ba7ebe482742983bbfbd32bea7cfb4b89b6633..39195de895031d3827ab4e5fbac45b050021b4ff 100644
>--- a/ChangeLog
>+++ b/ChangeLog
>@@ -1,3 +1,32 @@
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Source/cmake/WebKitFeatures.cmake:
>+
>+2018-04-28  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Source/cmake/WebKitFeatures.cmake:
>+
>+2018-04-24  Oleksandr Skachkov  <gskachkov@gmail.com>
>+
>+        WebAssembly: add support for stream APIs - JavaScript API
>+        https://bugs.webkit.org/show_bug.cgi?id=183442
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add WEBASSEMBLY_STREAMING_API feature flag
>+
>+        * Source/cmake/WebKitFeatures.cmake:
>+
> 2018-04-26  Daniel Bates  <dabates@apple.com>
> 
>         ASSERTION FAILED: ASSERT(!containsImage || MIMETypeRegistry::isSupportedImageResourceMIMEType([resource MIMEType])) in -[NSPasteboard(WebExtras) _web_writePromisedRTFDFromArchive:containsImage:]

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Attachments on bug 183442: 337019 | 337296 | 338599 | 338662 | 338861 | 338864 | 338865 | 338869 | 338870 | 339089 | 339090 | 339093 | 339098 | 339100 | 339146