[webkit-reviews] review requested: [Bug 121928] ScrollbarPainterController should adopt the api to lock overlay scrollbar state : [Attachment 212657] Patch

[bugzilla-daemon at webkit.org]

Beth Dakin <bdakin at apple.com> has asked  for review:
Bug 121928: ScrollbarPainterController should adopt the api to lock overlay
scrollbar state
https://bugs.webkit.org/show_bug.cgi?id=121928

Attachment 212657: Patch
https://bugs.webkit.org/attachment.cgi?id=212657&action=review

------- Additional Comments from Beth Dakin <bdakin at apple.com>
Okay, I think this should fix the failing tests. I was missing a null check.