[webkit-reviews] review requested: [Bug 60296] When an underlay surface is active, paint normal web contents in a transparency layer : [Attachment 92462] Patch

[bugzilla-daemon at webkit.org]

Anders Carlsson <andersca at apple.com> has asked	for review:
Bug 60296: When an underlay surface is active, paint normal web contents in a
transparency layer
https://bugs.webkit.org/show_bug.cgi?id=60296

Attachment 92462: Patch
https://bugs.webkit.org/attachment.cgi?id=92462&action=review