[webkit-reviews] review requested: [Bug 70634] Mark GraphicsLayers as opaque when possible : [Attachment 112588] added rects to opaque functions

[bugzilla-daemon at webkit.org]

Dana Jansens <danakj at chromium.org> has asked  for review:
Bug 70634: Mark GraphicsLayers as opaque when possible
https://bugs.webkit.org/show_bug.cgi?id=70634

Attachment 112588: added rects to opaque functions
https://bugs.webkit.org/attachment.cgi?id=112588&action=review