Bug 744366 didn't fully fix readyState. Need to make it so that readyState always progresses through all states and never transitions to the state that's already the current state.
Created attachment 644910 [details] [diff] [review] Make readyState less broken Waiting for Windows try results still.
Comment on attachment 644910 [details] [diff] [review] Make readyState less broken This deals with neglected parts of MediaDocuments and XSLT readyState and fixes a couple of related bugs: aborting a doc that is being transformed by XSLT and making MediaDocuments come out of bfcache more properly.
I should mention that the reason why this doesn't come with a test case is that except for the fatal assertions themselves, all the changes in the patch are changes required to make sure the fatal assertions don't fire on our existing test suite.
Comment on attachment 644910 [details] [diff] [review] Make readyState less broken r=me
Follow-up filed: bug 779100.