[iPad] YouTube does not automatically AirPlay when a route is selected from Control Center
<rdar://problem/54173689>
Created attachment 388312 [details] Patch
Created attachment 388319 [details] Patch
None of the EWS bot failures seem related; windows is a DumpRenderTree WebSQL property failure, api-mac is WebAuth layout test failures, and mac-wk2 is inspector and CSP layout test failures. Landing.
Comment on attachment 388319 [details] Patch Clearing flags on attachment: 388319 Committed r254878: <https://trac.webkit.org/changeset/254878>
All reviewed patches have been landed. Closing bug.