MediaPlayerPrivate resource owner is not always correctly set through RemoteMediaPlayerProxy
<rdar://problem/111908366>
<rdar://109074255>
Pull request: https://github.com/WebKit/WebKit/pull/15635
Committed 265901@main (9e0532d73ce4): <https://commits.webkit.org/265901@main> Reviewed commits have been landed. Closing PR #15635 and removing active labels.
*** Bug 256366 has been marked as a duplicate of this bug. ***