[webkit-reviews] review granted: [Bug 112457] Don't compute background obscuration on every repaint : [Attachment 193704] Caching and invalidation of obscuration status

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has granted Antti Koivisto
<koivisto at iki.fi>'s request for review:
Bug 112457: Don't compute background obscuration on every repaint
https://bugs.webkit.org/show_bug.cgi?id=112457

Attachment 193704: Caching and invalidation of obscuration status
https://bugs.webkit.org/attachment.cgi?id=193704&action=review