[webkit-reviews] review requested: [Bug 78864] Register fixed position layers with ScrollingCoordinator : [Attachment 142514] Patch

[bugzilla-daemon at webkit.org]

Sami Kyostila <skyostil at google.com> has asked  for review:
Bug 78864: Register fixed position layers with ScrollingCoordinator
https://bugs.webkit.org/show_bug.cgi?id=78864

Attachment 142514: Patch
https://bugs.webkit.org/attachment.cgi?id=142514&action=review