[Cocoa] CRASH in MediaPlayerPrivateMediaSourceAVFObjC::removeAudioRenderer()
<rdar://73966316>
Created attachment 419431 [details] Patch
Created attachment 419432 [details] Patch
Committed r272439: <https://trac.webkit.org/changeset/272439> All reviewed patches have been landed. Closing bug and clearing flags on attachment 419432 [details].