DumpRenderTree crashes at WebCore::HTMLMediaElement::exitFullscreen
<rdar://problem/61675281>
Created attachment 399682 [details] Patch
Comment on attachment 399682 [details] Patch r=me. It looks like this fixes an ASSERT, not a crash in release builds; you may want to update the bug title to reflect that.
Created attachment 399687 [details] Patch for landing
Committed r261847: <https://trac.webkit.org/changeset/261847> All reviewed patches have been landed. Closing bug and clearing flags on attachment 399687 [details].