Drop non-standard MessageEvent.webkitInitMessageEvent(). Chrome dropped it almost 3 years ago. They had UseCounter data showing consistent 0% usage: - https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/H6lsGFqdy3Y - https://www.chromestatus.com/metrics/feature/timeline/popularity/223 - https://src.chromium.org/viewvc/blink?revision=174967&view=revision
Created attachment 303692 [details] Patch
The GTK bot failure looks like an incremental build issue.
Comment on attachment 303692 [details] Patch r=me!
Comment on attachment 303692 [details] Patch Making cq? because red GTK EWS bubble seems related (but could just need a clean build).
Comment on attachment 303692 [details] Patch Clearing flags on attachment: 303692 Committed r213543: <http://trac.webkit.org/changeset/213543>
All reviewed patches have been landed. Closing bug.