WebVideoFullscreenInterfaceAVKit needs a strong self ref before dispatching to the main thread.
rdar://problem/27388223
Created attachment 305499 [details] Patch
Comment on attachment 305499 [details] Patch r=me
Comment on attachment 305499 [details] Patch Clearing flags on attachment: 305499 Committed r214554: <http://trac.webkit.org/changeset/214554>
All reviewed patches have been landed. Closing bug.