[webkit-reviews] review requested: [Bug 138521] [Mac] Avoid repainting scrollbar track when the scrollbar track is transparent. : [Attachment 241207] Patch

[bugzilla-daemon at webkit.org]

Andreas Kling <akling at apple.com> has asked  for review:
Bug 138521: [Mac] Avoid repainting scrollbar track when the scrollbar track is
transparent.
https://bugs.webkit.org/show_bug.cgi?id=138521

Attachment 241207: Patch

https://bugs.webkit.org/attachment.cgi?id=241207&action=review