This is a real failed case. Black color still shows up.
Created attachment 50630 [details] fix patch
Comment on attachment 50630 [details] fix patch Sounds good.
Comment on attachment 50630 [details] fix patch Clearing flags on attachment: 50630 Committed r55993: <http://trac.webkit.org/changeset/55993>
All reviewed patches have been landed. Closing bug.