[webkit-reviews] review requested: [Bug 163877] Prevent hit tests from being performed on an invalid render tree : [Attachment 293024] Patch

[bugzilla-daemon at webkit.org]

Brent Fulgham <bfulgham at webkit.org> has asked  for review:
Bug 163877: Prevent hit tests from being performed on an invalid render tree
https://bugs.webkit.org/show_bug.cgi?id=163877

Attachment 293024: Patch

https://bugs.webkit.org/attachment.cgi?id=293024&action=review