415                                      const std::string& track_id) {  in AddAudioTrack()  argument
417         stream, track_id, RemoteAudioSource::Create(ssrc, provider));  in AddAudioTrack()
421                                      const std::string& track_id) {  in AddVideoTrack()  argument
423         stream, track_id,  in AddVideoTrack()
432                const std::string& track_id,  in AddTrack()  argument
435         TP::Create(signaling_thread_, T::Create(track_id, source)));  in AddTrack()
1512     bool track_exists = params && params->id == info.track_id;  in UpdateRemoteStreamsList()
1518       OnRemoteTrackRemoved(info.stream_label, info.track_id, media_type);  in UpdateRemoteStreamsList()
1528     const std::string& track_id = params.id;  in UpdateRemoteStreamsList()  local
1541         FindTrackInfo(*current_tracks, stream_label, track_id);  in UpdateRemoteStreamsList()
1543       current_tracks->push_back(TrackInfo(stream_label, track_id, ssrc));  in UpdateRemoteStreamsList()
1544       OnRemoteTrackSeen(stream_label, track_id, ssrc, media_type);  in UpdateRemoteStreamsList()
1573                                        const std::string& track_id,  in OnRemoteTrackSeen()  argument
1580         ssrc, session_.get(), stream, track_id);  in OnRemoteTrackSeen()
1584         remote_stream_factory_->AddVideoTrack(stream, track_id);  in OnRemoteTrackSeen()
1592                                           const std::string& track_id,  in OnRemoteTrackRemoved()  argument
1598         stream->FindAudioTrack(track_id);  in OnRemoteTrackRemoved()
1606         stream->FindVideoTrack(track_id);  in OnRemoteTrackRemoved()
1639       AudioTrackInterface* track = stream->FindAudioTrack(info.track_id);  in EndRemoteTracks()
1647       VideoTrackInterface* track = stream->FindVideoTrack(info.track_id);  in EndRemoteTracks()
1669     if (!params || params->id != info.track_id ||  in UpdateLocalTracks()
1671       OnLocalTrackRemoved(info.stream_label, info.track_id, info.ssrc,  in UpdateLocalTracks()
1684     const std::string& track_id = params.id;  in UpdateLocalTracks()  local
1687         FindTrackInfo(*current_tracks, stream_label, track_id);  in UpdateLocalTracks()
1689       current_tracks->push_back(TrackInfo(stream_label, track_id, ssrc));  in UpdateLocalTracks()
1690       OnLocalTrackSeen(stream_label, track_id, params.first_ssrc(), media_type);  in UpdateLocalTracks()
1696                                       const std::string& track_id,  in OnLocalTrackSeen()  argument
1699   RtpSenderInterface* sender = FindSenderById(track_id);  in OnLocalTrackSeen()
1701     LOG(LS_WARNING) << "An unknown RtpSender with id " << track_id  in OnLocalTrackSeen()
1717                                          const std::string& track_id,  in OnLocalTrackRemoved()  argument
1720   RtpSenderInterface* sender = FindSenderById(track_id);  in OnLocalTrackRemoved()
2005     const std::string track_id) const {  in FindTrackInfo()
2008         track_info.track_id == track_id) {  in FindTrackInfo()