[webkit-reviews] review requested: [Bug 71838] Add a basic layer hierarchy to the Core Animation drawing area : [Attachment 114123] Patch

[bugzilla-daemon at webkit.org]

Anders Carlsson <andersca at apple.com> has asked	for review:
Bug 71838: Add a basic layer hierarchy to the Core Animation drawing area
https://bugs.webkit.org/show_bug.cgi?id=71838

Attachment 114123: Patch
https://bugs.webkit.org/attachment.cgi?id=114123&action=review