[webkit-reviews] review requested: [Bug 87821] [Chromium] Compositor doesn't support translucent root layers. : [Attachment 146472] Patch

[bugzilla-daemon at webkit.org]

David Reveman <reveman at chromium.org> has asked	for review:
Bug 87821: [Chromium] Compositor doesn't support translucent root layers.
https://bugs.webkit.org/show_bug.cgi?id=87821

Attachment 146472: Patch
https://bugs.webkit.org/attachment.cgi?id=146472&action=review

------- Additional Comments from David Reveman <reveman at chromium.org>
setHasTransparentBackground(), add background unit test and avoid background
filters on render passes with transparent bg