This was used in previous EME implementations, but is unnecessary since r163907.
Created attachment 269214 [details]
I haven't build tested this, since I don't work on Mac, and I have noticed this by reviewing the EME code only.
But this looks trivial enough since there are no other occurrence of the method in the code.
Comment on attachment 269214 [details]
Clearing flags on attachment: 269214
Committed r195239: <http://trac.webkit.org/changeset/195239>
All reviewed patches have been landed. Closing bug.