[webkit-reviews] review requested: [Bug 70634] Mark GraphicsLayers as opaque when possible : [Attachment 116092] Column rules are in contents area background.

[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 116092: Column rules are in contents area background.
https://bugs.webkit.org/attachment.cgi?id=116092&action=review