AVFoundation and CoreMedia sometimes log internal errors or state changes to stderr. This logging should be stripped so it doesn't show up in media test results.
Created attachment 237975 [details] Proposed patch.
Created attachment 238010 [details] Updated patch.
<rdar://problem/18315562>
Comment on attachment 238010 [details] Updated patch. Clearing flags on attachment: 238010 Committed r173557: <http://trac.webkit.org/changeset/173557>
All reviewed patches have been landed. Closing bug.