[webkit-reviews] review requested: [Bug 77159] We don't need to always repaint overlay scrollbars if they're in layers : [Attachment 124210] Patch

[bugzilla-daemon at webkit.org]

Anders Carlsson <andersca at apple.com> has asked	for review:
Bug 77159: We don't need to always repaint overlay scrollbars if they're in
layers
https://bugs.webkit.org/show_bug.cgi?id=77159

Attachment 124210: Patch
https://bugs.webkit.org/attachment.cgi?id=124210&action=review