[webkit-reviews] review requested: [Bug 111701] Basic child obscuration test for backgrounds : [Attachment 192795] patch 5

[bugzilla-daemon at webkit.org]

Antti Koivisto <koivisto at iki.fi> has asked  for review:
Bug 111701: Basic child obscuration test for backgrounds
https://bugs.webkit.org/show_bug.cgi?id=111701

Attachment 192795: patch 5
https://bugs.webkit.org/attachment.cgi?id=192795&action=review

------- Additional Comments from Antti Koivisto <koivisto at iki.fi>
The opaqueness test functions were rolled out, add one sufficient for this
patch back.