[GPUProcess] Implement GPUProcess crash recovery for MediaElementAudioSourceNode. WebAudio generally handles GPUProcess crashes nicely. However, it is currently not the case when the audio graph contains a MediaElementAudioSourceNode. This is because the MediaElementAudioSourceNode get's its input from the GPUProcess.
Created attachment 417186 [details] Patch
Comment on attachment 417186 [details] Patch r=me
Committed r271245: <https://trac.webkit.org/changeset/271245> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417186 [details].
<rdar://problem/72898457>