Attachment 341317 Details for Bug 185986 – Patch

[patch] Patch

bug-185986-20180525132546.patch (text/plain), 50.05 KB, created by Alex Christensen on 2018-05-25 13:25:46 PDT

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Creator: Alex Christensen

Created: 2018-05-25 13:25:46 PDT

Size: 50.05 KB

patch

obsolete

>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 232175)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,79 @@
>+2018-05-25  Alex Christensen  <achristensen@webkit.org>
>+
>+        URL::host should return a StringView to reduce allocations
>+        https://bugs.webkit.org/show_bug.cgi?id=185986
>+
>+        Reviewed by Geoff Garen.
>+
>+        No change in behaviour.  Just fewer allocations.
>+
>+        * Modules/plugins/YouTubePluginReplacement.cpp:
>+        (WebCore::isYouTubeURL):
>+        (WebCore::processAndCreateYouTubeURL):
>+        * Modules/websockets/WebSocketHandshake.cpp:
>+        (WebCore::hostName):
>+        (WebCore::WebSocketHandshake::host const):
>+        * contentextensions/ContentExtension.cpp:
>+        (WebCore::ContentExtensions::ContentExtension::populateConditionCacheIfNeeded):
>+        * html/HTMLAnchorElement.cpp:
>+        (WebCore::HTMLAnchorElement::parseAttribute):
>+        * html/HTMLMediaElement.cpp:
>+        (WebCore::HTMLMediaElement::mediaSessionTitle const):
>+        (WebCore::needsSeekingSupportQuirk):
>+        * html/HTMLPlugInImageElement.cpp:
>+        (WebCore::HTMLPlugInImageElement::restartSimilarPlugIns):
>+        (WebCore::HTMLPlugInImageElement::userDidClickSnapshot):
>+        (WebCore::HTMLPlugInImageElement::subframeLoaderWillCreatePlugIn):
>+        * html/ImageDocument.cpp:
>+        (WebCore::ImageDocument::finishedParsing):
>+        * html/URLUtils.h:
>+        (WebCore::URLUtils<T>::hostname const):
>+        * loader/FrameLoader.cpp:
>+        (WebCore::FrameLoader::setFirstPartyForCookies):
>+        * loader/LinkLoader.cpp:
>+        (WebCore::LinkLoader::loadLink):
>+        * loader/ResourceLoadStatistics.cpp:
>+        (WebCore::ResourceLoadStatistics::primaryDomain):
>+        * loader/mac/LoaderNSURLExtras.mm:
>+        (suggestedFilenameWithMIMEType):
>+        * page/Chrome.cpp:
>+        (WebCore::Chrome::mouseDidMoveOverElement):
>+        * page/Location.cpp:
>+        (WebCore::Location::hostname const):
>+        * page/Page.cpp:
>+        (WebCore::Page::mainFrameLoadStarted):
>+        * page/PerformanceMonitor.cpp:
>+        (WebCore::reportPageOverPostLoadResourceThreshold):
>+        * page/SecurityOrigin.cpp:
>+        (WebCore::isLoopbackIPAddress):
>+        (WebCore::shouldTreatAsPotentiallyTrustworthy):
>+        (WebCore::SecurityOrigin::isLocalHostOrLoopbackIPAddress):
>+        * page/SecurityOrigin.h:
>+        * page/SecurityOriginData.h:
>+        (WebCore::SecurityOriginData::fromURL):
>+        * page/UserContentURLPattern.cpp:
>+        (WebCore::UserContentURLPattern::matchesHost const):
>+        * page/csp/ContentSecurityPolicySource.cpp:
>+        (WebCore::ContentSecurityPolicySource::hostMatches const):
>+        * platform/PublicSuffix.h:
>+        * platform/URL.cpp:
>+        (WebCore::URL::host const):
>+        (WebCore::URL::hostAndPort const):
>+        (WebCore::URL::isMatchingDomain const):
>+        * platform/URL.h:
>+        * platform/mac/SSLKeyGeneratorMac.mm:
>+        (WebCore::signedPublicKeyAndChallengeString):
>+        * platform/network/ResourceRequestBase.h:
>+        (WebCore::registrableDomainsAreEqual):
>+        * platform/network/cf/NetworkStorageSessionCFNet.cpp:
>+        (WebCore::getPartitioningDomain):
>+        * platform/network/cf/SocketStreamHandleImplCFNet.cpp:
>+        (WebCore::SocketStreamHandleImpl::createStreams):
>+        * workers/WorkerLocation.cpp:
>+        (WebCore::WorkerLocation::hostname const):
>+        * workers/service/server/SWServer.cpp:
>+        (WebCore::SWServer::performGetOriginsWithRegistrationsCallbacks):
>+
> 2018-05-24  Chris Dumez  <cdumez@apple.com>
> 
>         Reduce copying of FontCascadeDescription objects by moving them around
>Index: Source/WebCore/Modules/plugins/YouTubePluginReplacement.cpp
>===================================================================
>--- Source/WebCore/Modules/plugins/YouTubePluginReplacement.cpp	(revision 232175)
>+++ Source/WebCore/Modules/plugins/YouTubePluginReplacement.cpp	(working copy)
>@@ -176,7 +176,7 @@ static YouTubePluginReplacement::KeyValu
>     
> static bool isYouTubeURL(const URL& url)
> {
>-    String hostName = url.host();
>+    auto hostName = url.host();
>     return equalLettersIgnoringASCIICase(hostName, "m.youtube.com")
>         || equalLettersIgnoringASCIICase(hostName, "youtu.be")
>         || equalLettersIgnoringASCIICase(hostName, "www.youtube.com")
>@@ -203,7 +203,7 @@ static URL processAndCreateYouTubeURL(co
>     if (!isYouTubeURL(url))
>         return URL();
> 
>-    String hostName = url.host();
>+    auto hostName = url.host();
>     bool isYouTubeMobileWebAppURL = equalLettersIgnoringASCIICase(hostName, "m.youtube.com");
>     isYouTubeShortenedURL = equalLettersIgnoringASCIICase(hostName, "youtu.be");
> 
>Index: Source/WebCore/Modules/websockets/WebSocketHandshake.cpp
>===================================================================
>--- Source/WebCore/Modules/websockets/WebSocketHandshake.cpp	(revision 232175)
>+++ Source/WebCore/Modules/websockets/WebSocketHandshake.cpp	(working copy)
>@@ -82,7 +82,7 @@ static String hostName(const URL& url, b
> {
>     ASSERT(url.protocolIs("wss") == secure);
>     StringBuilder builder;
>-    builder.append(url.host().convertToASCIILowercase());
>+    builder.append(url.host().toString().convertToASCIILowercase());
>     if (url.port() && ((!secure && url.port().value() != 80) || (secure && url.port().value() != 443))) {
>         builder.append(':');
>         builder.appendNumber(url.port().value());
>@@ -146,7 +146,7 @@ void WebSocketHandshake::setURL(const UR
> // FIXME: Return type should just be String, not const String.
> const String WebSocketHandshake::host() const
> {
>-    return m_url.host().convertToASCIILowercase();
>+    return m_url.host().toString().convertToASCIILowercase();
> }
> 
> const String& WebSocketHandshake::clientProtocol() const
>Index: Source/WebCore/contentextensions/ContentExtension.cpp
>===================================================================
>--- Source/WebCore/contentextensions/ContentExtension.cpp	(revision 232175)
>+++ Source/WebCore/contentextensions/ContentExtension.cpp	(working copy)
>@@ -122,7 +122,7 @@ void ContentExtension::populateCondition
>     if (m_cachedTopURL != topURL) {
>         DFABytecodeInterpreter interpreter(m_compiledExtension->topURLFiltersBytecode(), m_compiledExtension->topURLFiltersBytecodeLength());
>         const uint16_t allLoadTypesAndResourceTypes = LoadTypeMask | ResourceTypeMask;
>-        String string = m_compiledExtension->conditionsApplyOnlyToDomain() ? topURL.host() : topURL.string();
>+        String string = m_compiledExtension->conditionsApplyOnlyToDomain() ? topURL.host().toString() : topURL.string();
>         auto topURLActions = interpreter.interpret(string.utf8(), allLoadTypesAndResourceTypes);
>         
>         m_cachedTopURLActions.clear();
>Index: Source/WebCore/html/HTMLAnchorElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLAnchorElement.cpp	(revision 232175)
>+++ Source/WebCore/html/HTMLAnchorElement.cpp	(working copy)
>@@ -244,7 +244,7 @@ void HTMLAnchorElement::parseAttribute(c
>             String parsedURL = stripLeadingAndTrailingHTMLSpaces(value);
>             if (document().isDNSPrefetchEnabled() && document().frame()) {
>                 if (protocolIsInHTTPFamily(parsedURL) || parsedURL.startsWith("//"))
>-                    document().frame()->loader().client().prefetchDNS(document().completeURL(parsedURL).host());
>+                    document().frame()->loader().client().prefetchDNS(document().completeURL(parsedURL).host().toString());
>             }
>         }
>         invalidateCachedVisitedLinkHash();
>Index: Source/WebCore/html/HTMLMediaElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLMediaElement.cpp	(revision 232175)
>+++ Source/WebCore/html/HTMLMediaElement.cpp	(working copy)
>@@ -7461,7 +7461,7 @@ String HTMLMediaElement::mediaSessionTit
>     if (!title.isEmpty())
>         return title;
> 
>-    title = m_currentSrc.host();
>+    title = m_currentSrc.host().toString();
> #if PLATFORM(MAC) || PLATFORM(IOS)
>     if (!title.isEmpty())
>         title = decodeHostName(title);
>@@ -7524,7 +7524,7 @@ static bool needsSeekingSupportQuirk(Doc
>     if (!document.settings().needsSiteSpecificQuirks())
>         return false;
> 
>-    String host = document.topDocument().url().host();
>+    auto host = document.topDocument().url().host();
>     return equalLettersIgnoringASCIICase(host, "netflix.com") || host.endsWithIgnoringASCIICase(".netflix.com");
> }
> 
>Index: Source/WebCore/html/HTMLPlugInImageElement.cpp
>===================================================================
>--- Source/WebCore/html/HTMLPlugInImageElement.cpp	(revision 232175)
>+++ Source/WebCore/html/HTMLPlugInImageElement.cpp	(working copy)
>@@ -435,7 +435,7 @@ void HTMLPlugInImageElement::restartSimi
>     // Restart any other snapshotted plugins in the page with the same origin. Note that they
>     // may be in different frames, so traverse from the top of the document.
> 
>-    String plugInOrigin = m_loadedUrl.host();
>+    auto plugInOrigin = m_loadedUrl.host();
>     String mimeType = serviceType();
>     Vector<Ref<HTMLPlugInImageElement>> similarPlugins;
> 
>@@ -469,9 +469,9 @@ void HTMLPlugInImageElement::userDidClic
>     if (forwardEvent)
>         m_pendingClickEventFromSnapshot = &event;
> 
>-    String plugInOrigin = m_loadedUrl.host();
>+    auto plugInOrigin = m_loadedUrl.host();
>     if (document().page() && !SchemeRegistry::shouldTreatURLSchemeAsLocal(document().page()->mainFrame().document()->baseURL().protocol().toStringWithoutCopying()) && document().page()->settings().autostartOriginPlugInSnapshottingEnabled())
>-        document().page()->plugInClient()->didStartFromOrigin(document().page()->mainFrame().document()->baseURL().host(), plugInOrigin, serviceType(), document().page()->sessionID());
>+        document().page()->plugInClient()->didStartFromOrigin(document().page()->mainFrame().document()->baseURL().host().toString(), plugInOrigin.toString(), serviceType(), document().page()->sessionID());
> 
>     LOG(Plugins, "%p User clicked on snapshotted plug-in. Restart.", this);
>     restartSnapshottedPlugIn();
>@@ -675,7 +675,7 @@ void HTMLPlugInImageElement::subframeLoa
>         return;
>     }
> 
>-    if (document().page()->settings().autostartOriginPlugInSnapshottingEnabled() && document().page()->plugInClient() && document().page()->plugInClient()->shouldAutoStartFromOrigin(document().page()->mainFrame().document()->baseURL().host(), url.host(), serviceType())) {
>+    if (document().page()->settings().autostartOriginPlugInSnapshottingEnabled() && document().page()->plugInClient() && document().page()->plugInClient()->shouldAutoStartFromOrigin(document().page()->mainFrame().document()->baseURL().host().toString(), url.host().toString(), serviceType())) {
>         LOG(Plugins, "%p Plug-in from (%s, %s) is marked to auto-start, set to play", this, document().page()->mainFrame().document()->baseURL().host().utf8().data(), url.host().utf8().data());
>         m_snapshotDecision = NeverSnapshot;
>         return;
>Index: Source/WebCore/html/ImageDocument.cpp
>===================================================================
>--- Source/WebCore/html/ImageDocument.cpp	(revision 232175)
>+++ Source/WebCore/html/ImageDocument.cpp	(working copy)
>@@ -168,7 +168,7 @@ void ImageDocument::finishedParsing()
>             // back on the hostname if there is no path.
>             String name = decodeURLEscapeSequences(url().lastPathComponent());
>             if (name.isEmpty())
>-                name = url().host();
>+                name = url().host().toString();
>             setTitle(imageTitle(name, size));
>         }
> 
>Index: Source/WebCore/html/URLUtils.h
>===================================================================
>--- Source/WebCore/html/URLUtils.h	(revision 232175)
>+++ Source/WebCore/html/URLUtils.h	(working copy)
>@@ -186,7 +186,7 @@ void URLUtils<T>::setHost(const String& 
> template <typename T>
> String URLUtils<T>::hostname() const
> {
>-    return href().host();
>+    return href().host().toString();
> }
> 
> template <typename T>
>Index: Source/WebCore/loader/FrameLoader.cpp
>===================================================================
>--- Source/WebCore/loader/FrameLoader.cpp	(revision 232175)
>+++ Source/WebCore/loader/FrameLoader.cpp	(working copy)
>@@ -1076,7 +1076,7 @@ void FrameLoader::setFirstPartyForCookie
>     for (Frame* frame = &m_frame; frame; frame = frame->tree().traverseNext(&m_frame))
>         frame->document()->setFirstPartyForCookies(url);
> 
>-    String registrableDomain = ResourceRequest::partitionName(url.host());
>+    String registrableDomain = ResourceRequest::partitionName(url.host().toString());
>     for (Frame* frame = &m_frame; frame; frame = frame->tree().traverseNext(&m_frame)) {
>         if (SecurityPolicy::shouldInheritSecurityOriginFromOwner(frame->document()->url()) || registrableDomainsAreEqual(frame->document()->url(), registrableDomain))
>             frame->document()->setFirstPartyForSameSiteCookies(url);
>Index: Source/WebCore/loader/LinkLoader.cpp
>===================================================================
>--- Source/WebCore/loader/LinkLoader.cpp	(revision 232175)
>+++ Source/WebCore/loader/LinkLoader.cpp	(working copy)
>@@ -294,7 +294,7 @@ bool LinkLoader::loadLink(const LinkRelA
>         // FIXME: The href attribute of the link element can be in "//hostname" form, and we shouldn't attempt
>         // to complete that as URL <https://bugs.webkit.org/show_bug.cgi?id=48857>.
>         if (document.settings().dnsPrefetchingEnabled() && href.isValid() && !href.isEmpty() && document.frame())
>-            document.frame()->loader().client().prefetchDNS(href.host());
>+            document.frame()->loader().client().prefetchDNS(href.host().toString());
>     }
> 
>     preconnectIfNeeded(relAttribute, href, document, crossOrigin);
>Index: Source/WebCore/loader/ResourceLoadStatistics.cpp
>===================================================================
>--- Source/WebCore/loader/ResourceLoadStatistics.cpp	(revision 232175)
>+++ Source/WebCore/loader/ResourceLoadStatistics.cpp	(working copy)
>@@ -333,7 +333,7 @@ void ResourceLoadStatistics::merge(const
> 
> String ResourceLoadStatistics::primaryDomain(const URL& url)
> {
>-    return primaryDomain(url.host());
>+    return primaryDomain(url.host().toString());
> }
> 
> String ResourceLoadStatistics::primaryDomain(const String& host)
>Index: Source/WebCore/loader/mac/LoaderNSURLExtras.mm
>===================================================================
>--- Source/WebCore/loader/mac/LoaderNSURLExtras.mm	(revision 232175)
>+++ Source/WebCore/loader/mac/LoaderNSURLExtras.mm	(working copy)
>@@ -48,7 +48,7 @@ NSString *suggestedFilenameWithMIMEType(
> 
>     if ([filename length] == 0 || [lastPathComponent isEqualToString:@"/"]) {
>         // lastPathComponent is no good, try the host.
>-        NSString *host = URL(url).host();
>+        NSString *host = URL(url).host().toString();
>         filename = filenameByFixingIllegalCharacters(host);
>         if ([filename length] == 0) {
>             // Can't make a filename using this URL, use "unknown".
>Index: Source/WebCore/page/Chrome.cpp
>===================================================================
>--- Source/WebCore/page/Chrome.cpp	(revision 232175)
>+++ Source/WebCore/page/Chrome.cpp	(working copy)
>@@ -324,7 +324,7 @@ void Chrome::setStatusbarText(Frame& fra
> void Chrome::mouseDidMoveOverElement(const HitTestResult& result, unsigned modifierFlags)
> {
>     if (result.innerNode() && result.innerNode()->document().isDNSPrefetchEnabled())
>-        m_page.mainFrame().loader().client().prefetchDNS(result.absoluteLinkURL().host());
>+        m_page.mainFrame().loader().client().prefetchDNS(result.absoluteLinkURL().host().toString());
>     m_client.mouseDidMoveOverElement(result, modifierFlags);
> 
>     InspectorInstrumentation::mouseDidMoveOverElement(m_page, result, modifierFlags);
>Index: Source/WebCore/page/Location.cpp
>===================================================================
>--- Source/WebCore/page/Location.cpp	(revision 232175)
>+++ Source/WebCore/page/Location.cpp	(working copy)
>@@ -94,7 +94,7 @@ String Location::hostname() const
>     if (!m_frame)
>         return String();
> 
>-    return url().host();
>+    return url().host().toString();
> }
> 
> String Location::port() const
>Index: Source/WebCore/page/Page.cpp
>===================================================================
>--- Source/WebCore/page/Page.cpp	(revision 232175)
>+++ Source/WebCore/page/Page.cpp	(working copy)
>@@ -2104,7 +2104,7 @@ void Page::mainFrameLoadStarted(const UR
> {
>     String domain;
> #if ENABLE(PUBLIC_SUFFIX_LIST)
>-    domain = topPrivatelyControlledDomain(destinationURL.host());
>+    domain = topPrivatelyControlledDomain(destinationURL.host().toString());
> #else
>     UNUSED_PARAM(destinationURL);
> #endif
>Index: Source/WebCore/page/PerformanceMonitor.cpp
>===================================================================
>--- Source/WebCore/page/PerformanceMonitor.cpp	(revision 232175)
>+++ Source/WebCore/page/PerformanceMonitor.cpp	(working copy)
>@@ -148,7 +148,7 @@ static void reportPageOverPostLoadResour
>     if (!document)
>         return;
> 
>-    String domain = topPrivatelyControlledDomain(document->url().host());
>+    String domain = topPrivatelyControlledDomain(document->url().host().toString());
>     if (domain.isEmpty())
>         return;
> 
>Index: Source/WebCore/page/SecurityOrigin.cpp
>===================================================================
>--- Source/WebCore/page/SecurityOrigin.cpp	(revision 232175)
>+++ Source/WebCore/page/SecurityOrigin.cpp	(working copy)
>@@ -99,7 +99,7 @@ static bool shouldTreatAsUniqueOrigin(co
>     return false;
> }
> 
>-static bool isLoopbackIPAddress(const String& host)
>+static bool isLoopbackIPAddress(StringView host)
> {
>     // The IPv6 loopback address is 0:0:0:0:0:0:0:1, which compresses to ::1.
>     if (host == "[::1]")
>@@ -137,7 +137,7 @@ static bool shouldTreatAsPotentiallyTrus
> 
> bool shouldTreatAsPotentiallyTrustworthy(const URL& url)
> {
>-    return shouldTreatAsPotentiallyTrustworthy(url.protocol().toStringWithoutCopying(), url.host());
>+    return shouldTreatAsPotentiallyTrustworthy(url.protocol().toStringWithoutCopying(), url.host().toStringWithoutCopying());
> }
> 
> SecurityOrigin::SecurityOrigin(const URL& url)
>@@ -548,7 +548,7 @@ bool SecurityOrigin::isSameSchemeHostPor
>     return true;
> }
> 
>-bool SecurityOrigin::isLocalHostOrLoopbackIPAddress(const String& host)
>+bool SecurityOrigin::isLocalHostOrLoopbackIPAddress(StringView host)
> {
>     if (isLoopbackIPAddress(host))
>         return true;
>Index: Source/WebCore/page/SecurityOrigin.h
>===================================================================
>--- Source/WebCore/page/SecurityOrigin.h	(revision 232175)
>+++ Source/WebCore/page/SecurityOrigin.h	(working copy)
>@@ -202,7 +202,7 @@ public:
> 
>     bool isPotentiallyTrustworthy() const { return m_isPotentiallyTrustworthy; }
> 
>-    static bool isLocalHostOrLoopbackIPAddress(const String& host);
>+    static bool isLocalHostOrLoopbackIPAddress(StringView);
> 
>     const SecurityOriginData& data() const { return m_data; }
> 
>Index: Source/WebCore/page/SecurityOriginData.h
>===================================================================
>--- Source/WebCore/page/SecurityOriginData.h	(revision 232175)
>+++ Source/WebCore/page/SecurityOriginData.h	(working copy)
>@@ -50,7 +50,7 @@ struct SecurityOriginData {
>     {
>         return SecurityOriginData {
>             url.protocol().isNull() ? emptyString() : url.protocol().toString().convertToASCIILowercase(),
>-            url.host().isNull() ? emptyString() : url.host().convertToASCIILowercase(),
>+            url.host().isNull() ? emptyString() : url.host().toString().convertToASCIILowercase(),
>             url.port()
>         };
>     }
>Index: Source/WebCore/page/UserContentURLPattern.cpp
>===================================================================
>--- Source/WebCore/page/UserContentURLPattern.cpp	(revision 232175)
>+++ Source/WebCore/page/UserContentURLPattern.cpp	(working copy)
>@@ -125,7 +125,7 @@ bool UserContentURLPattern::matches(cons
> 
> bool UserContentURLPattern::matchesHost(const URL& test) const
> {
>-    const String& host = test.host();
>+    auto host = test.host();
>     if (equalIgnoringASCIICase(host, m_host))
>         return true;
> 
>Index: Source/WebCore/page/csp/ContentSecurityPolicySource.cpp
>===================================================================
>--- Source/WebCore/page/csp/ContentSecurityPolicySource.cpp	(revision 232175)
>+++ Source/WebCore/page/csp/ContentSecurityPolicySource.cpp	(working copy)
>@@ -64,8 +64,8 @@ bool ContentSecurityPolicySource::scheme
> 
> bool ContentSecurityPolicySource::hostMatches(const URL& url) const
> {
>-    const String& host = url.host();
>-    return equalIgnoringASCIICase(host, m_host) || (m_hostHasWildcard && host.endsWithIgnoringASCIICase("." + m_host));
>+    auto host = url.host();
>+    return equalIgnoringASCIICase(host, m_host) || (m_hostHasWildcard && host.endsWithIgnoringASCIICase(makeString(".", m_host)));
> 
> }
> 
>Index: Source/WebCore/platform/PublicSuffix.h
>===================================================================
>--- Source/WebCore/platform/PublicSuffix.h	(revision 232175)
>+++ Source/WebCore/platform/PublicSuffix.h	(working copy)
>@@ -23,8 +23,7 @@
>  * THE POSSIBILITY OF SUCH DAMAGE.
>  */
> 
>-#ifndef PublicSuffix_h
>-#define PublicSuffix_h
>+#pragma once
> 
> #include <wtf/text/WTFString.h>
> 
>@@ -39,5 +38,3 @@ String decodeHostName(const String& doma
> } // namespace WebCore
> 
> #endif // ENABLE(PUBLIC_SUFFIX_LIST)
>-
>-#endif // PublicSuffix_h
>Index: Source/WebCore/platform/URL.cpp
>===================================================================
>--- Source/WebCore/platform/URL.cpp	(revision 232175)
>+++ Source/WebCore/platform/URL.cpp	(working copy)
>@@ -155,10 +155,10 @@ StringView URL::protocol() const
>     return StringView(m_string).substring(0, m_schemeEnd);
> }
> 
>-String URL::host() const
>+StringView URL::host() const
> {
>     unsigned start = hostStart();
>-    return m_string.substring(start, m_hostEnd - start);
>+    return StringView(m_string).substring(start, m_hostEnd - start);
> }
> 
> std::optional<uint16_t> URL::port() const
>@@ -180,8 +180,8 @@ std::optional<uint16_t> URL::port() cons
> String URL::hostAndPort() const
> {
>     if (auto port = this->port())
>-        return host() + ':' + String::number(port.value());
>-    return host();
>+        return makeString(host(), ':', String::number(port.value()));
>+    return host().toString();
> }
> 
> String URL::protocolHostAndPort() const
>@@ -796,7 +796,7 @@ bool URL::isMatchingDomain(const String&
>     if (!host.endsWith(domain))
>         return false;
> 
>-    return host.length() == domain.length() || host.characterAt(host.length() - domain.length() - 1) == '.';
>+    return host.length() == domain.length() || host[host.length() - domain.length() - 1] == '.';
> }
> 
> String encodeWithURLEscapeSequences(const String& input)
>Index: Source/WebCore/platform/URL.h
>===================================================================
>--- Source/WebCore/platform/URL.h	(revision 232175)
>+++ Source/WebCore/platform/URL.h	(working copy)
>@@ -104,7 +104,7 @@ public:
>     WEBCORE_EXPORT String stringCenterEllipsizedToLength(unsigned length = 1024) const;
> 
>     WEBCORE_EXPORT StringView protocol() const;
>-    WEBCORE_EXPORT String host() const;
>+    WEBCORE_EXPORT StringView host() const;
>     WEBCORE_EXPORT std::optional<uint16_t> port() const;
>     WEBCORE_EXPORT String hostAndPort() const;
>     WEBCORE_EXPORT String protocolHostAndPort() const;
>Index: Source/WebCore/platform/UserAgentQuirks.cpp
>===================================================================
>--- Source/WebCore/platform/UserAgentQuirks.cpp	(revision 232175)
>+++ Source/WebCore/platform/UserAgentQuirks.cpp	(working copy)
>@@ -36,7 +36,7 @@ namespace WebCore {
> 
> static bool isGoogle(const URL& url)
> {
>-    String baseDomain = topPrivatelyControlledDomain(url.host());
>+    String baseDomain = topPrivatelyControlledDomain(url.host().toString());
> 
>     // Our Google UA is *very* complicated to get right. Read
>     // https://webkit.org/b/142074 carefully before changing. Test that Earth
>@@ -60,7 +60,7 @@ static bool isGoogle(const URL& url)
> // that works in Chrome that WebKit cannot handle. Prefer other quirks instead.
> static bool urlRequiresChromeBrowser(const URL& url)
> {
>-    String baseDomain = topPrivatelyControlledDomain(url.host());
>+    String baseDomain = topPrivatelyControlledDomain(url.host().toString());
> 
>     // Needed for fonts on many sites to work with WebKit.
>     // https://bugs.webkit.org/show_bug.cgi?id=147296
>@@ -78,7 +78,7 @@ static bool urlRequiresChromeBrowser(con
> 
> static bool urlRequiresMacintoshPlatform(const URL& url)
> {
>-    String domain = url.host();
>+    String domain = url.host().toString();
>     String baseDomain = topPrivatelyControlledDomain(domain);
> 
>     // At least finance.yahoo.com displays a mobile version with WebKitGTK+'s standard user agent.
>Index: Source/WebCore/platform/mac/SSLKeyGeneratorMac.mm
>===================================================================
>--- Source/WebCore/platform/mac/SSLKeyGeneratorMac.mm	(revision 232175)
>+++ Source/WebCore/platform/mac/SSLKeyGeneratorMac.mm	(working copy)
>@@ -246,7 +246,7 @@ String signedPublicKeyAndChallengeString
> 
>     auto challenge = challengeString.isAllASCII() ? challengeString.ascii() : "";
> 
>-    return signedPublicKeyAndChallengeString(keySize, challenge, keygenKeychainItemName(url.host()));
>+    return signedPublicKeyAndChallengeString(keySize, challenge, keygenKeychainItemName(url.host().toString()));
> }
> 
> }
>Index: Source/WebCore/platform/network/ResourceRequestBase.h
>===================================================================
>--- Source/WebCore/platform/network/ResourceRequestBase.h	(revision 232175)
>+++ Source/WebCore/platform/network/ResourceRequestBase.h	(working copy)
>@@ -255,11 +255,11 @@ bool equalIgnoringHeaderFields(const Res
> // FIXME: Find a better place for these functions.
> inline bool registrableDomainsAreEqual(const URL& a, const URL& b)
> {
>-    return ResourceRequestBase::partitionName(a.host()) == ResourceRequestBase::partitionName(b.host());
>+    return ResourceRequestBase::partitionName(a.host().toString()) == ResourceRequestBase::partitionName(b.host().toString());
> }
> inline bool registrableDomainsAreEqual(const URL& a, const String& registrableDomain)
> {
>-    return ResourceRequestBase::partitionName(a.host()) == registrableDomain;
>+    return ResourceRequestBase::partitionName(a.host().toString()) == registrableDomain;
> }
> 
> inline bool operator==(const ResourceRequest& a, const ResourceRequest& b) { return ResourceRequestBase::equal(a, b); }
>Index: Source/WebCore/platform/network/cf/NetworkStorageSessionCFNet.cpp
>===================================================================
>--- Source/WebCore/platform/network/cf/NetworkStorageSessionCFNet.cpp	(revision 232175)
>+++ Source/WebCore/platform/network/cf/NetworkStorageSessionCFNet.cpp	(working copy)
>@@ -198,11 +198,11 @@ String NetworkStorageSession::cookieStor
> static inline String getPartitioningDomain(const URL& url) 
> {
> #if ENABLE(PUBLIC_SUFFIX_LIST)
>-    auto domain = topPrivatelyControlledDomain(url.host());
>+    auto domain = topPrivatelyControlledDomain(url.host().toString());
>     if (domain.isEmpty())
>-        domain = url.host();
>+        domain = url.host().toString();
> #else
>-    auto domain = url.host();
>+    auto domain = url.host().toString();
> #endif
>     return domain;
> }
>Index: Source/WebCore/platform/network/cf/SocketStreamHandleImplCFNet.cpp
>===================================================================
>--- Source/WebCore/platform/network/cf/SocketStreamHandleImplCFNet.cpp	(revision 232175)
>+++ Source/WebCore/platform/network/cf/SocketStreamHandleImplCFNet.cpp	(working copy)
>@@ -312,7 +312,7 @@ void SocketStreamHandleImpl::createStrea
>     if (m_connectionType == Unknown)
>         return;
> 
>-    RetainPtr<CFStringRef> host = m_url.host().createCFString();
>+    RetainPtr<CFStringRef> host = m_url.host().toString().createCFString();
> 
>     // Creating streams to final destination, not to proxy.
>     CFReadStreamRef readStream = 0;
>Index: Source/WebCore/platform/network/curl/CookieJarDB.cpp
>===================================================================
>--- Source/WebCore/platform/network/curl/CookieJarDB.cpp	(revision 232175)
>+++ Source/WebCore/platform/network/curl/CookieJarDB.cpp	(working copy)
>@@ -245,7 +245,7 @@ bool CookieJarDB::searchCookies(const St
>         return false;
> 
>     URL requestUrlObj(ParsedURLString, requestUrl);
>-    String requestHost(requestUrlObj.host().convertToASCIILowercase());
>+    String requestHost(requestUrlObj.host().toString().convertToASCIILowercase());
>     String requestPath(requestUrlObj.path().convertToASCIILowercase());
> 
>     if (requestHost.isEmpty())
>@@ -382,7 +382,7 @@ int CookieJarDB::setCookie(const String&
>         return -1;
> 
>     URL urlObj(ParsedURLString, url);
>-    String host(urlObj.host());
>+    String host(urlObj.host().toString());
>     String path(urlObj.path());
> 
>     Cookie cookieObj;
>@@ -417,7 +417,7 @@ int CookieJarDB::deleteCookie(const Stri
> 
>     URL urlObj(ParsedURLString, urlCopied);
>     if (urlObj.isValid()) {
>-        String hostStr(urlObj.host());
>+        String hostStr(urlObj.host().toString());
>         String pathStr(urlObj.path());
>         int ret = deleteCookieInternal(name, hostStr, pathStr);
>         ASSERT(checkSQLiteReturnCode(ret, SQLITE_DONE));
>Index: Source/WebCore/platform/network/soup/SoupNetworkSession.cpp
>===================================================================
>--- Source/WebCore/platform/network/soup/SoupNetworkSession.cpp	(revision 232175)
>+++ Source/WebCore/platform/network/soup/SoupNetworkSession.cpp	(working copy)
>@@ -277,7 +277,7 @@ std::optional<ResourceError> SoupNetwork
>     if (!tlsErrors)
>         return std::nullopt;
> 
>-    auto it = clientCertificates().find(requestURL.host());
>+    auto it = clientCertificates().find(requestURL.host().toString());
>     if (it != clientCertificates().end() && it->value.contains(certificate))
>         return std::nullopt;
> 
>Index: Source/WebCore/platform/win/PasteboardWin.cpp
>===================================================================
>--- Source/WebCore/platform/win/PasteboardWin.cpp	(revision 232175)
>+++ Source/WebCore/platform/win/PasteboardWin.cpp	(working copy)
>@@ -369,7 +369,7 @@ static bool writeURL(WCDataObject *data,
>     if (title.isEmpty()) {
>         title = url.lastPathComponent();
>         if (title.isEmpty())
>-            title = url.host();
>+            title = url.host().toString();
>     }
> 
>     STGMEDIUM medium = {0};
>@@ -707,7 +707,7 @@ void Pasteboard::write(const PasteboardU
>     if (title.isEmpty()) {
>         title = pasteboardURL.url.lastPathComponent();
>         if (title.isEmpty())
>-            title = pasteboardURL.url.host();
>+            title = pasteboardURL.url.host().toString();
>     }
> 
>     // write to clipboard in format com.apple.safari.bookmarkdata to be able to paste into the bookmarks view with appropriate title
>Index: Source/WebCore/workers/WorkerLocation.cpp
>===================================================================
>--- Source/WebCore/workers/WorkerLocation.cpp	(revision 232175)
>+++ Source/WebCore/workers/WorkerLocation.cpp	(working copy)
>@@ -48,7 +48,7 @@ String WorkerLocation::host() const
> 
> String WorkerLocation::hostname() const
> {
>-    return m_url.host();
>+    return m_url.host().toString();
> }
> 
> String WorkerLocation::port() const
>Index: Source/WebCore/workers/service/server/SWServer.cpp
>===================================================================
>--- Source/WebCore/workers/service/server/SWServer.cpp	(revision 232175)
>+++ Source/WebCore/workers/service/server/SWServer.cpp	(working copy)
>@@ -866,7 +866,7 @@ void SWServer::performGetOriginsWithRegi
>     HashSet<SecurityOriginData> originsWithRegistrations;
>     for (auto& key : m_registrations.keys()) {
>         originsWithRegistrations.add(key.topOrigin());
>-        originsWithRegistrations.add(SecurityOriginData { key.scope().protocol().toString(), key.scope().host(), key.scope().port() });
>+        originsWithRegistrations.add(SecurityOriginData { key.scope().protocol().toString(), key.scope().host().toString(), key.scope().port() });
>     }
> 
>     auto callbacks = WTFMove(m_getOriginsWithRegistrationsCallbacks);
>Index: Source/WebKit/ChangeLog
>===================================================================
>--- Source/WebKit/ChangeLog	(revision 232175)
>+++ Source/WebKit/ChangeLog	(working copy)
>@@ -1,3 +1,32 @@
>+2018-05-25  Alex Christensen  <achristensen@webkit.org>
>+
>+        URL::host should return a StringView to reduce allocations
>+        https://bugs.webkit.org/show_bug.cgi?id=185986
>+
>+        Reviewed by Geoff Garen.
>+
>+        * NetworkProcess/NetworkProcess.cpp:
>+        (WebKit::fetchDiskCacheEntries):
>+        * NetworkProcess/NetworkResourceLoader.cpp:
>+        (WebKit::areFrameAncestorsSameSite):
>+        * NetworkProcess/mac/NetworkProcessMac.mm:
>+        (WebKit::overrideSystemProxies):
>+        * Shared/API/APIURL.h:
>+        (API::URL::host const):
>+        * UIProcess/Automation/WebAutomationSession.cpp:
>+        (WebKit::WebAutomationSession::addSingleCookie):
>+        (WebKit::WebAutomationSession::deleteAllCookies):
>+        * UIProcess/WebProcessProxy.cpp:
>+        (WebKit::WebProcessProxy::processDidTerminateOrFailedToLaunch):
>+        * WebProcess/Plugins/PluginView.cpp:
>+        (WebKit::PluginView::pluginDidReceiveUserInteraction):
>+        * WebProcess/Plugins/WebPluginInfoProvider.cpp:
>+        (WebKit::WebPluginInfoProvider::populatePluginCache):
>+        * WebProcess/WebPage/WebPage.cpp:
>+        (WebKit::needsHiddenContentEditableQuirk):
>+        (WebKit::needsPlainTextQuirk):
>+        (WebKit::WebPage::determinePrimarySnapshottedPlugIn):
>+
> 2018-05-24  Youenn Fablet  <youenn@apple.com>
> 
>         Update plugin search path to look for user installed plugins
>Index: Source/WebKit/NetworkProcess/NetworkProcess.cpp
>===================================================================
>--- Source/WebKit/NetworkProcess/NetworkProcess.cpp	(revision 232175)
>+++ Source/WebKit/NetworkProcess/NetworkProcess.cpp	(working copy)
>@@ -481,7 +481,7 @@ static void fetchDiskCacheEntries(PAL::S
>             }
> 
>             auto url = traversalEntry->entry.response().url();
>-            auto result = originsAndSizes.add({url.protocol().toString(), url.host(), url.port()}, 0);
>+            auto result = originsAndSizes.add({url.protocol().toString(), url.host().toString(), url.port()}, 0);
> 
>             if (fetchOptions.contains(WebsiteDataFetchOption::ComputeSizes))
>                 result.iterator->value += traversalEntry->entry.sourceStorageRecord().header.size() + traversalEntry->recordInfo.bodySize;
>Index: Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp
>===================================================================
>--- Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp	(revision 232175)
>+++ Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp	(working copy)
>@@ -364,7 +364,7 @@ void NetworkResourceLoader::abort()
> static bool areFrameAncestorsSameSite(const ResourceResponse& response, const Vector<RefPtr<SecurityOrigin>>& frameAncestorOrigins)
> {
> #if ENABLE(PUBLIC_SUFFIX_LIST)
>-    auto responsePartition = ResourceRequest::partitionName(response.url().host());
>+    auto responsePartition = ResourceRequest::partitionName(response.url().host().toString());
>     return frameAncestorOrigins.findMatching([&](const auto& item) {
>         return item->isUnique() || ResourceRequest::partitionName(item->host()) != responsePartition;
>     }) == notFound;
>Index: Source/WebKit/NetworkProcess/mac/NetworkProcessMac.mm
>===================================================================
>--- Source/WebKit/NetworkProcess/mac/NetworkProcessMac.mm	(revision 232175)
>+++ Source/WebKit/NetworkProcess/mac/NetworkProcessMac.mm	(working copy)
>@@ -72,7 +72,7 @@ static void overrideSystemProxies(const 
>     if (!httpProxy.isNull()) {
>         URL httpProxyURL(URL(), httpProxy);
>         if (httpProxyURL.isValid()) {
>-            [proxySettings setObject:nsStringFromWebCoreString(httpProxyURL.host()) forKey:(NSString *)kCFNetworkProxiesHTTPProxy];
>+            [proxySettings setObject:nsStringFromWebCoreString(httpProxyURL.host().toString()) forKey:(NSString *)kCFNetworkProxiesHTTPProxy];
>             if (httpProxyURL.port()) {
>                 NSNumber *port = [NSNumber numberWithInt:httpProxyURL.port().value()];
>                 [proxySettings setObject:port forKey:(NSString *)kCFNetworkProxiesHTTPPort];
>@@ -86,7 +86,7 @@ static void overrideSystemProxies(const 
>         URL httpsProxyURL(URL(), httpsProxy);
>         if (httpsProxyURL.isValid()) {
> #if !ENABLE(MINIMAL_SIMULATOR)
>-            [proxySettings setObject:nsStringFromWebCoreString(httpsProxyURL.host()) forKey:(NSString *)kCFNetworkProxiesHTTPSProxy];
>+            [proxySettings setObject:nsStringFromWebCoreString(httpsProxyURL.host().toString()) forKey:(NSString *)kCFNetworkProxiesHTTPSProxy];
>             if (httpsProxyURL.port()) {
>                 NSNumber *port = [NSNumber numberWithInt:httpsProxyURL.port().value()];
>                 [proxySettings setObject:port forKey:(NSString *)kCFNetworkProxiesHTTPSPort];
>Index: Source/WebKit/Shared/API/APIURL.h
>===================================================================
>--- Source/WebKit/Shared/API/APIURL.h	(revision 232175)
>+++ Source/WebKit/Shared/API/APIURL.h	(working copy)
>@@ -64,7 +64,7 @@ public:
>     WTF::String host() const
>     {
>         parseURLIfNecessary();
>-        return m_parsedURL->isValid() ? m_parsedURL->host() : WTF::String();
>+        return m_parsedURL->isValid() ? m_parsedURL->host().toString() : WTF::String();
>     }
> 
>     WTF::String protocol() const
>Index: Source/WebKit/UIProcess/WebPageProxy.cpp
>===================================================================
>--- Source/WebKit/UIProcess/WebPageProxy.cpp	(revision 232175)
>+++ Source/WebKit/UIProcess/WebPageProxy.cpp	(working copy)
>@@ -5799,7 +5799,7 @@ void WebPageProxy::processDidTerminate(P
> 
> #if PLATFORM(IOS)
>     if (m_process->isUnderMemoryPressure()) {
>-        String domain = WebCore::topPrivatelyControlledDomain(WebCore::URL(WebCore::ParsedURLString, currentURL()).host());
>+        String domain = WebCore::topPrivatelyControlledDomain(WebCore::URL(WebCore::ParsedURLString, currentURL()).host().toString());
>         if (!domain.isEmpty())
>             logDiagnosticMessageWithEnhancedPrivacy(WebCore::DiagnosticLoggingKeys::domainCausingJetsamKey(), domain, WebCore::ShouldSample::No);
>     }
>Index: Source/WebKit/UIProcess/WebProcessProxy.cpp
>===================================================================
>--- Source/WebKit/UIProcess/WebProcessProxy.cpp	(revision 232175)
>+++ Source/WebKit/UIProcess/WebProcessProxy.cpp	(working copy)
>@@ -676,7 +676,7 @@ void WebProcessProxy::processDidTerminat
> #if ENABLE(PUBLIC_SUFFIX_LIST)
>     if (pages.size() == 1) {
>         auto& page = *pages[0];
>-        String domain = topPrivatelyControlledDomain(WebCore::URL(WebCore::ParsedURLString, page.currentURL()).host());
>+        String domain = topPrivatelyControlledDomain(WebCore::URL(WebCore::ParsedURLString, page.currentURL()).host().toString());
>         if (!domain.isEmpty())
>             page.logDiagnosticMessageWithEnhancedPrivacy(WebCore::DiagnosticLoggingKeys::domainCausingCrashKey(), domain, WebCore::ShouldSample::No);
>     }
>Index: Source/WebKit/UIProcess/Automation/WebAutomationSession.cpp
>===================================================================
>--- Source/WebKit/UIProcess/Automation/WebAutomationSession.cpp	(revision 232175)
>+++ Source/WebKit/UIProcess/Automation/WebAutomationSession.cpp	(working copy)
>@@ -1317,7 +1317,7 @@ void WebAutomationSession::addSingleCook
> 
>     // Inherit the domain/host from the main frame's URL if it is not explicitly set.
>     if (domain.isEmpty())
>-        domain = activeURL.host();
>+        domain = activeURL.host().toString();
> 
>     cookie.domain = domainByAddingDotPrefixIfNeeded(domain);
> 
>@@ -1361,7 +1361,7 @@ void WebAutomationSession::deleteAllCook
>     ASSERT(activeURL.isValid());
> 
>     WebCookieManagerProxy* cookieManager = m_processPool->supplement<WebCookieManagerProxy>();
>-    cookieManager->deleteCookiesForHostname(page->websiteDataStore().sessionID(), domainByAddingDotPrefixIfNeeded(activeURL.host()));
>+    cookieManager->deleteCookiesForHostname(page->websiteDataStore().sessionID(), domainByAddingDotPrefixIfNeeded(activeURL.host().toString()));
> }
> 
> void WebAutomationSession::getSessionPermissions(ErrorString&, RefPtr<JSON::ArrayOf<Inspector::Protocol::Automation::SessionPermissionData>>& out_permissions)
>Index: Source/WebKit/WebProcess/Plugins/PluginView.cpp
>===================================================================
>--- Source/WebKit/WebProcess/Plugins/PluginView.cpp	(revision 232175)
>+++ Source/WebKit/WebProcess/Plugins/PluginView.cpp	(working copy)
>@@ -1831,8 +1831,8 @@ void PluginView::pluginDidReceiveUserInt
>     m_didReceiveUserInteraction = true;
> 
>     HTMLPlugInImageElement& plugInImageElement = downcast<HTMLPlugInImageElement>(*m_pluginElement);
>-    String pageOrigin = plugInImageElement.document().page()->mainFrame().document()->baseURL().host();
>-    String pluginOrigin = plugInImageElement.loadedUrl().host();
>+    String pageOrigin = plugInImageElement.document().page()->mainFrame().document()->baseURL().host().toString();
>+    String pluginOrigin = plugInImageElement.loadedUrl().host().toString();
>     String mimeType = plugInImageElement.serviceType();
> 
>     WebProcess::singleton().plugInDidReceiveUserInteraction(pageOrigin, pluginOrigin, mimeType, plugInImageElement.document().page()->sessionID());
>Index: Source/WebKit/WebProcess/Plugins/WebPluginInfoProvider.cpp
>===================================================================
>--- Source/WebKit/WebProcess/Plugins/WebPluginInfoProvider.cpp	(revision 232175)
>+++ Source/WebKit/WebProcess/Plugins/WebPluginInfoProvider.cpp	(working copy)
>@@ -156,7 +156,7 @@ void WebPluginInfoProvider::populatePlug
>     }
> 
> #if PLATFORM(MAC)
>-    String pageHost = page.mainFrame().loader().documentLoader()->responseURL().host();
>+    String pageHost = page.mainFrame().loader().documentLoader()->responseURL().host().toString();
>     if (pageHost.isNull())
>         return;
>     for (auto& info : m_cachedPlugins) {
>Index: Source/WebKit/WebProcess/WebPage/WebPage.cpp
>===================================================================
>--- Source/WebKit/WebProcess/WebPage/WebPage.cpp	(revision 232175)
>+++ Source/WebKit/WebProcess/WebPage/WebPage.cpp	(working copy)
>@@ -4848,9 +4848,7 @@ static bool needsHiddenContentEditableQu
>     if (!needsQuirks)
>         return false;
> 
>-    String host = url.host();
>-    String path = url.path();
>-    return equalLettersIgnoringASCIICase(host, "docs.google.com");
>+    return equalLettersIgnoringASCIICase(url.host(), "docs.google.com");
> }
> 
> static bool needsPlainTextQuirk(bool needsQuirks, const URL& url)
>@@ -4858,7 +4856,7 @@ static bool needsPlainTextQuirk(bool nee
>     if (!needsQuirks)
>         return false;
> 
>-    String host = url.host();
>+    auto host = url.host();
> 
>     if (equalLettersIgnoringASCIICase(host, "twitter.com"))
>         return true;
>@@ -5431,8 +5429,8 @@ void WebPage::determinePrimarySnapshotte
> 
>     LOG(Plugins, "Primary Plug-In Detection: success - found a candidate plug-in - inform it.");
>     m_didFindPrimarySnapshottedPlugin = true;
>-    m_primaryPlugInPageOrigin = m_page->mainFrame().document()->baseURL().host();
>-    m_primaryPlugInOrigin = candidatePlugIn->loadedUrl().host();
>+    m_primaryPlugInPageOrigin = m_page->mainFrame().document()->baseURL().host().toString();
>+    m_primaryPlugInOrigin = candidatePlugIn->loadedUrl().host().toString();
>     m_primaryPlugInMimeType = candidatePlugIn->serviceType();
> 
>     candidatePlugIn->setIsPrimarySnapshottedPlugIn(true);
>Index: Source/WebKitLegacy/ChangeLog
>===================================================================
>--- Source/WebKitLegacy/ChangeLog	(revision 232175)
>+++ Source/WebKitLegacy/ChangeLog	(working copy)
>@@ -1,3 +1,13 @@
>+2018-05-25  Alex Christensen  <achristensen@webkit.org>
>+
>+        URL::host should return a StringView to reduce allocations
>+        https://bugs.webkit.org/show_bug.cgi?id=185986
>+
>+        Reviewed by Geoff Garen.
>+
>+        * WebCoreSupport/WebResourceLoadScheduler.cpp:
>+        (WebResourceLoadScheduler::hostForURL):
>+
> 2018-05-11  Charles Vazac  <cvazac@gmail.com>
> 
>         Runtime feature flag for Server-Timing
>Index: Source/WebKitLegacy/WebCoreSupport/WebResourceLoadScheduler.cpp
>===================================================================
>--- Source/WebKitLegacy/WebCoreSupport/WebResourceLoadScheduler.cpp	(revision 232175)
>+++ Source/WebKitLegacy/WebCoreSupport/WebResourceLoadScheduler.cpp	(working copy)
>@@ -66,7 +66,7 @@ WebResourceLoadScheduler::HostInformatio
>         return m_nonHTTPProtocolHost;
> 
>     m_hosts.checkConsistency();
>-    String hostName = url.host();
>+    String hostName = url.host().toString();
>     HostInformation* host = m_hosts.get(hostName);
>     if (!host && createHostPolicy == CreateIfNotFound) {
>         host = new HostInformation(hostName, maxRequestsInFlightPerHost);
>Index: Tools/ChangeLog
>===================================================================
>--- Tools/ChangeLog	(revision 232190)
>+++ Tools/ChangeLog	(working copy)
>@@ -1,3 +1,17 @@
>+2018-05-25  Alex Christensen  <achristensen@webkit.org>
>+
>+        URL::host should return a StringView to reduce allocations
>+        https://bugs.webkit.org/show_bug.cgi?id=185986
>+
>+        Reviewed by Geoff Garen.
>+
>+        * TestWebKitAPI/Tests/WebCore/URL.cpp:
>+        (TestWebKitAPI::TEST_F):
>+        * TestWebKitAPI/Tests/WebCore/URLParser.cpp:
>+        (TestWebKitAPI::eq):
>+        * TestWebKitAPI/Tests/mac/SSLKeyGenerator.mm:
>+        (TestWebKitAPI::SSLKeyGeneratorTest::TearDown):
>+
> 2018-05-24  Chris Dumez  <cdumez@apple.com>
> 
>         Reduce copying of FontCascadeDescription objects by moving them around
>Index: Tools/TestWebKitAPI/Tests/WebCore/URL.cpp
>===================================================================
>--- Tools/TestWebKitAPI/Tests/WebCore/URL.cpp	(revision 232175)
>+++ Tools/TestWebKitAPI/Tests/WebCore/URL.cpp	(working copy)
>@@ -59,7 +59,7 @@ TEST_F(URLTest, URLConstructorConstChar)
>     EXPECT_TRUE(kurl.isValid());
> 
>     EXPECT_EQ(kurl.protocol() == "http", true);
>-    EXPECT_EQ(String("www.example.com"), kurl.host());
>+    EXPECT_EQ(String("www.example.com"), kurl.host().toString());
>     EXPECT_TRUE(!!kurl.port());
>     EXPECT_EQ(8080, kurl.port().value());
>     EXPECT_EQ(String("username"), kurl.user());
>Index: Tools/TestWebKitAPI/Tests/WebCore/URLParser.cpp
>===================================================================
>--- Tools/TestWebKitAPI/Tests/WebCore/URLParser.cpp	(revision 232175)
>+++ Tools/TestWebKitAPI/Tests/WebCore/URLParser.cpp	(working copy)
>@@ -64,7 +64,8 @@ struct ExpectedParts {
>     }
> };
> 
>-static bool eq(const String& s1, const String& s2)
>+template<typename T, typename U>
>+bool eq(T&& s1, U&& s2)
> {
>     EXPECT_STREQ(s1.utf8().data(), s2.utf8().data());
>     return s1.utf8() == s2.utf8();
>@@ -90,7 +91,7 @@ static void checkURL(const String& urlSt
> {
>     auto url = URL(URL(), urlString);
>     
>-    EXPECT_TRUE(eq(parts.protocol, url.protocol().toString()));
>+    EXPECT_TRUE(eq(parts.protocol, url.protocol()));
>     EXPECT_TRUE(eq(parts.user, url.user()));
>     EXPECT_TRUE(eq(parts.password, url.pass()));
>     EXPECT_TRUE(eq(parts.host, url.host()));
>@@ -117,7 +118,7 @@ static void checkRelativeURL(const Strin
> {
>     auto url = URL(URL(URL(), baseURLString), urlString);
>     
>-    EXPECT_TRUE(eq(parts.protocol, url.protocol().toString()));
>+    EXPECT_TRUE(eq(parts.protocol, url.protocol()));
>     EXPECT_TRUE(eq(parts.user, url.user()));
>     EXPECT_TRUE(eq(parts.password, url.pass()));
>     EXPECT_TRUE(eq(parts.host, url.host()));
>@@ -146,7 +147,7 @@ static void checkURLDifferences(const St
>     UNUSED_PARAM(partsOld); // FIXME: Remove all the old expected parts.
>     auto url = URL(URL(), urlString);
>     
>-    EXPECT_TRUE(eq(partsNew.protocol, url.protocol().toString()));
>+    EXPECT_TRUE(eq(partsNew.protocol, url.protocol()));
>     EXPECT_TRUE(eq(partsNew.user, url.user()));
>     EXPECT_TRUE(eq(partsNew.password, url.pass()));
>     EXPECT_TRUE(eq(partsNew.host, url.host()));
>@@ -175,7 +176,7 @@ static void checkRelativeURLDifferences(
>     UNUSED_PARAM(partsOld); // FIXME: Remove all the old expected parts.
>     auto url = URL(URL(URL(), baseURLString), urlString);
>     
>-    EXPECT_TRUE(eq(partsNew.protocol, url.protocol().toString()));
>+    EXPECT_TRUE(eq(partsNew.protocol, url.protocol()));
>     EXPECT_TRUE(eq(partsNew.user, url.user()));
>     EXPECT_TRUE(eq(partsNew.password, url.pass()));
>     EXPECT_TRUE(eq(partsNew.host, url.host()));
>@@ -213,7 +214,7 @@ static void checkURL(const String& urlSt
> {
>     URLParser parser(urlString, { }, encoding);
>     auto url = parser.result();
>-    EXPECT_TRUE(eq(parts.protocol, url.protocol().toString()));
>+    EXPECT_TRUE(eq(parts.protocol, url.protocol()));
>     EXPECT_TRUE(eq(parts.user, url.user()));
>     EXPECT_TRUE(eq(parts.password, url.pass()));
>     EXPECT_TRUE(eq(parts.host, url.host()));
>@@ -239,7 +240,7 @@ static void checkURL(const String& urlSt
>     URLParser baseParser(baseURLString, { }, encoding);
>     URLParser parser(urlString, baseParser.result(), encoding);
>     auto url = parser.result();
>-    EXPECT_TRUE(eq(parts.protocol, url.protocol().toString()));
>+    EXPECT_TRUE(eq(parts.protocol, url.protocol()));
>     EXPECT_TRUE(eq(parts.user, url.user()));
>     EXPECT_TRUE(eq(parts.password, url.pass()));
>     EXPECT_TRUE(eq(parts.host, url.host()));
>Index: Tools/TestWebKitAPI/Tests/mac/SSLKeyGenerator.mm
>===================================================================
>--- Tools/TestWebKitAPI/Tests/mac/SSLKeyGenerator.mm	(revision 232175)
>+++ Tools/TestWebKitAPI/Tests/mac/SSLKeyGenerator.mm	(working copy)
>@@ -83,12 +83,12 @@ public:
>         SecItemDelete((__bridge CFDictionaryRef) @{
>             (id)kSecClass: (id)kSecClassKey,
>             (id)kSecAttrKeyClass: (id)kSecAttrKeyClassPrivate,
>-            (id)kSecAttrLabel: WebCore::keygenKeychainItemName(url.host()),
>+            (id)kSecAttrLabel: WebCore::keygenKeychainItemName(url.host().toString()),
>         });
>         SecItemDelete((__bridge CFDictionaryRef) @{
>             (id)kSecClass: (id)kSecClassKey,
>             (id)kSecAttrKeyClass: (id)kSecAttrKeyClassPublic,
>-            (id)kSecAttrLabel: WebCore::keygenKeychainItemName(url.host()),
>+            (id)kSecAttrLabel: WebCore::keygenKeychainItemName(url.host().toString()),
>         });
>     }
> };

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Attachments on bug 185986: 341305 | 341308 | 341310 | 341311 | 341317