[webkit-reviews] review requested: [Bug 96087] Optimize painting of composited scrolling layers : [Attachment 162817] Patch

[bugzilla-daemon at webkit.org]

Sami Kyöstilä <skyostil at chromium.org> has asked  for review:
Bug 96087: Optimize painting of composited scrolling layers
https://bugs.webkit.org/show_bug.cgi?id=96087

Attachment 162817: Patch
https://bugs.webkit.org/attachment.cgi?id=162817&action=review

------- Additional Comments from Sami Kyöstilä <skyostil at chromium.org>
Work-in-progress patch; tests missing.