[webkit-reviews] review requested: [Bug 70647] Common but unreproducible crash under [ScrollbarPartAnimation setCurrentProgress:] : [Attachment 112019] Patch

[bugzilla-daemon at webkit.org]

Beth Dakin <bdakin at apple.com> has asked  for review:
Bug 70647: Common but unreproducible crash under [ScrollbarPartAnimation
setCurrentProgress:]
https://bugs.webkit.org/show_bug.cgi?id=70647

Attachment 112019: Patch
https://bugs.webkit.org/attachment.cgi?id=112019&action=review