[webkit-reviews] review requested: [Bug 52489] GraphicsLayers in subframes can get sync'd multiple times : [Attachment 79537] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 52489: GraphicsLayers in subframes can get sync'd multiple times
https://bugs.webkit.org/show_bug.cgi?id=52489

Attachment 79537: Patch
https://bugs.webkit.org/attachment.cgi?id=79537&action=review