MediaPlayerPrivate::createQTMovieView should postpone notification processing while allocating and setting up the QTMovieView because the QTMovie is active and load state change notifications *do* sometimes fire during (at least) the call to [QTMovieView setView:].
Created attachment 28368 [details]
*** Bug 24428 has been marked as a duplicate of this bug. ***
*** Bug 24429 has been marked as a duplicate of this bug. ***
Previously committed <http://trac.webkit.org/changeset/41497>