[webkit-reviews] review requested: [Bug 38856] Allow compositing layers to be connected across iframe boundaries on Mac : [Attachment 55603] Patch to have RenderLayerCompositor track the type of attachment for the root layer.

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 38856: Allow compositing layers to be connected across iframe boundaries on
Mac
https://bugs.webkit.org/show_bug.cgi?id=38856

Attachment 55603: Patch to have RenderLayerCompositor track the type of
attachment for the root layer.
https://bugs.webkit.org/attachment.cgi?id=55603&action=review