Rendering of Flash plugin triggers an old workaround for a graphics driver bug. The workaround is no longer needed.
Created attachment 210332 [details] Patch
Comment on attachment 210332 [details] Patch LGTM, r+ internally.
Created attachment 210437 [details] Patch
Thanks Anders :)
Comment on attachment 210437 [details] Patch Clearing flags on attachment: 210437 Committed r155712: <http://trac.webkit.org/changeset/155712>
All reviewed patches have been landed. Closing bug.