See https://github.com/whatwg/dom/pull/626 and https://github.com/w3c/web-platform-tests/pull/10258.
Created attachment 337923 [details] Patch
Created attachment 337925 [details] Patch
Comment on attachment 337925 [details] Patch Attachment 337925 [details] did not pass win-ews (win): Output: http://webkit-queues.webkit.org/results/7310054 New failing tests: http/tests/security/contentSecurityPolicy/userAgentShadowDOM/allow-audio.html
Created attachment 337932 [details] Archive of layout-test-results from ews200 for win-future The attached test failures were seen while running run-webkit-tests on the win-ews. Bot: ews200 Port: win-future Platform: CYGWIN_NT-6.1-2.9.0-0.318-5-3-x86_64-64bit
Comment on attachment 337925 [details] Patch Windows failure looks unrelated.
Comment on attachment 337925 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=337925&action=review > Source/WebCore/dom/Event.h:99 > + WEBCORE_EXPORT void setLegacyReturnValue(bool); Why less inlining? I would have left everything in the header and marked inline.
Created attachment 337985 [details] Patch
Comment on attachment 337985 [details] Patch Clearing flags on attachment: 337985 Committed r230664: <https://trac.webkit.org/changeset/230664>
All reviewed patches have been landed. Closing bug.
<rdar://problem/39445537>