Movie controller audio button appears and accepts clicks for movies that have no audio. The control has no use, so we should just remove it when a movie has no audio.
<rdar://problem/6102883>
Created attachment 35128 [details] proposed patch
Comment on attachment 35128 [details] proposed patch Looks fine. You're a committer, so setting cq-. You can set cq+ if you'd rather the bot build, test and commit this for you.
http://trac.webkit.org/changeset/47515
*** Bug 23408 has been marked as a duplicate of this bug. ***