[webkit-reviews] review requested: [Bug 109639] Padding and border changes doesn't trigger relayout of children : [Attachment 188941] Patch

[bugzilla-daemon at webkit.org]

Dave Hyatt <hyatt at apple.com> has asked	for review:
Bug 109639: Padding and border changes doesn't trigger relayout of children
https://bugs.webkit.org/show_bug.cgi?id=109639

Attachment 188941: Patch
https://bugs.webkit.org/attachment.cgi?id=188941&action=review

------- Additional Comments from Dave Hyatt <hyatt at apple.com>
Add a couple of null checks.