[webkit-reviews] review requested: [Bug 68738] Add a mechanism to test for the compositing tree mutated during painting : [Attachment 108572] Patch

[bugzilla-daemon at webkit.org]

James Robinson <jamesr at chromium.org> has asked	for review:
Bug 68738: Add a mechanism to test for the compositing tree mutated during
painting
https://bugs.webkit.org/show_bug.cgi?id=68738

Attachment 108572: Patch
https://bugs.webkit.org/attachment.cgi?id=108572&action=review