This feature allows us to test the order of progress finished and frame load. See bug 28851 for details.
Created attachment 114195 [details] Patch
Created attachment 114197 [details] Patch
With the right email address for this one...
LGTM :-)
Comment on attachment 114197 [details] Patch Clearing flags on attachment: 114197 Committed r99762: <http://trac.webkit.org/changeset/99762>
All reviewed patches have been landed. Closing bug.