[webkit-reviews] review requested: [Bug 82997] [chromium] Fix layer sorting perspective w if w becomes negative : [Attachment 136184] Patch with unit test

[bugzilla-daemon at webkit.org]

Shawn Singh <shawnsingh at chromium.org> has asked  for review:
Bug 82997: [chromium] Fix layer sorting perspective w if w becomes negative
https://bugs.webkit.org/show_bug.cgi?id=82997

Attachment 136184: Patch with unit test
https://bugs.webkit.org/attachment.cgi?id=136184&action=review

------- Additional Comments from Shawn Singh <shawnsingh at chromium.org>
Shuffled around some CCMathUtil code at the same time, for cleanliness