[webkit-reviews] review requested: [Bug 21522] Add support for distinguishing the four buttons on a CSS scrollbar : [Attachment 24262] Patch

[bugzilla-daemon at webkit.org]

Dave Hyatt <hyatt at apple.com> has asked	for review:
Bug 21522: Add support for distinguishing the four buttons on a CSS scrollbar
https://bugs.webkit.org/show_bug.cgi?id=21522

Attachment 24262: Patch
https://bugs.webkit.org/attachment.cgi?id=24262&action=edit