Right now we're using an outdated API that involves a virtual function call for no reason. Use the new API that is much more direct and to the point.
Created attachment 152568 [details] Fix
Comment on attachment 152568 [details] Fix Clearing flags on attachment: 152568 Committed r122744: <http://trac.webkit.org/changeset/122744>
All reviewed patches have been landed. Closing bug.