[webkit-reviews] review requested: [Bug 73350] [chromium] Allow scrolling non-root layers in the compositor thread : [Attachment 147607] Patch

[bugzilla-daemon at webkit.org]

Sami Kyostila <skyostil at google.com> has asked  for review:
Bug 73350: [chromium] Allow scrolling non-root layers in the compositor thread
https://bugs.webkit.org/show_bug.cgi?id=73350

Attachment 147607: Patch
https://bugs.webkit.org/attachment.cgi?id=147607&action=review

------- Additional Comments from Sami Kyostila <skyostil at google.com>
- Use new hit testing utilities. (Thanks Shawn!)
- Keep render surface layer list in CCLayerTreeHostImpl.
- Removed two unneeded didScroll() functions.
- Added test for the new scroll delegate.