The state pusher for render flow threads is used sub optimally, before the view pushes the layout state so the two are desynchronised. Create a patch to correct this.
Created attachment 228285 [details] Patch
Comment on attachment 228285 [details] Patch r=me
Comment on attachment 228285 [details] Patch Clearing flags on attachment: 228285 Committed r166631: <http://trac.webkit.org/changeset/166631>
All reviewed patches have been landed. Closing bug.