RemoteAudioDestinationManager CreateAudioDestination is synchronous message There is no need for the message to be synchronous. Web process can just select the ID.
<rdar://problem/104473100>
Pull request: https://github.com/WebKit/WebKit/pull/8875
Committed 259167@main (455b1bcd78ac): <https://commits.webkit.org/259167@main> Reviewed commits have been landed. Closing PR #8875 and removing active labels.