[webkit-reviews] review requested: [Bug 129398] Prepare for overflow scrolling nodes in the scrolling tree : [Attachment 225320] Patch

[bugzilla-daemon at webkit.org]

Simon Fraser (smfr) <simon.fraser at apple.com> has asked	for review:
Bug 129398: Prepare for overflow scrolling nodes in the scrolling tree
https://bugs.webkit.org/show_bug.cgi?id=129398

Attachment 225320: Patch
https://bugs.webkit.org/attachment.cgi?id=225320&action=review