[webkit-reviews] review requested: [Bug 84305] [chromium] Plumb a compositor surface ready notification through to the threaded compositor : [Attachment 137813] rebased

[bugzilla-daemon at webkit.org]

James Robinson <jamesr at chromium.org> has asked	for review:
Bug 84305: [chromium] Plumb a compositor surface ready notification through to
the threaded compositor
https://bugs.webkit.org/show_bug.cgi?id=84305

Attachment 137813: rebased
https://bugs.webkit.org/attachment.cgi?id=137813&action=review