getTrackIndexRelativeToRenderedTracks  416 Source/core/html/track/TextTrack.cpp         m_renderedTrackIndex = m_trackList->getTrackIndexRelativeToRenderedTracks(this);
getTrackIndexRelativeToRenderedTracks   54 Source/core/html/track/TextTrackList.h     int getTrackIndexRelativeToRenderedTracks(TextTrack*);