FindAudioTrack    364 content/renderer/media/media_stream_dependency_factory.cc           native_stream->FindAudioTrack(track_id));
FindAudioTrack    147 content/renderer/media/mock_media_stream_dependency_factory.h       FindAudioTrack(const std::string& track_id) OVERRIDE;
FindAudioTrack     45 content/renderer/media/mock_peer_connection_impl.cc           streams_.at(i)->FindAudioTrack(id);
FindAudioTrack    168 content/renderer/media/remote_media_stream_impl.cc     if (webrtc_stream_->FindAudioTrack(track_id) == NULL) {