Consider merging blink bug 19054009 - https://src.chromium.org/viewvc/blink?view=rev&revision=154041
That blink patch has a number of unrelated changes. Merging in a subset of that patch.
Created attachment 206903 [details] Patch
Comment on attachment 206903 [details] Patch Rejecting attachment 206903 [details] from commit-queue. Failed to run "['/Volumes/Data/EWS/WebKit/Tools/Scripts/webkit-patch', '--status-host=webkit-queues.appspot.com', '--bot-id=webkit-cq-02', 'validate-changelog', '--check-oops', '--non-interactive', 206903, '--port=mac']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit /Volumes/Data/EWS/WebKit/Source/WebCore/ChangeLog neither lists a valid reviewer nor contains the string "Unreviewed" or "Rubber stamp" (case insensitive). Full output: http://webkit-queues.appspot.com/results/1098282
Forgot the "Reviewed by:" line in WebCore/ChangeLog; fixing and landing manually.
Created attachment 219468 [details] Patch for landing
Created attachment 219476 [details] Patch for landing
Comment on attachment 219476 [details] Patch for landing Clearing flags on attachment: 219476 Committed r160749: <http://trac.webkit.org/changeset/160749>
Landed - https://github.com/WebKit/WebKit/commit/629c30d5301c181483003ae31a5dd51afa41911c and didn't backed out. Marking this as "RESOLVED FIXED".
<rdar://problem/101172673>