Drop [UsePointersEvenForNonNullableObjectArguments] from MediaControlsHost
Created attachment 277032 [details] Patch
Comment on attachment 277032 [details] Patch r=me
Comment on attachment 277032 [details] Patch Clearing flags on attachment: 277032 Committed r199963: <http://trac.webkit.org/changeset/199963>
All reviewed patches have been landed. Closing bug.