Sub-task of bug 225367 as enabling the MockMSE as exposed several issues with the RemoteMediaPlayer. So we break down the tasks required to enable it.
<rdar://problem/106858091>
Pull request: https://github.com/WebKit/WebKit/pull/11653
Committed 262173@main (9faed3b669e6): <https://commits.webkit.org/262173@main> Reviewed commits have been landed. Closing PR #11653 and removing active labels.