Needs one-shot drawing synchronization flag should be set before rendering when resuming the backing store, because we need to do a root later commit after rendering.
Created attachment 186246 [details] Patch
Comment on attachment 186246 [details] Patch Attachment 186246 [details] did not pass win-ews (win): Output: http://queues.webkit.org/results/16358207
Comment on attachment 186246 [details] Patch Clearing flags on attachment: 186246 Committed r141773: <http://trac.webkit.org/changeset/141773>
All reviewed patches have been landed. Closing bug.