After the landing of bug 118665, the RenderFlowThread::computeRegionClippingRect method is no longer used.
Created attachment 223960 [details] Patch
Comment on attachment 223960 [details] Patch r=me
Comment on attachment 223960 [details] Patch Clearing flags on attachment: 223960 Committed r163957: <http://trac.webkit.org/changeset/163957>
All reviewed patches have been landed. Closing bug.