372   for (const auto& sender : senders) {  in AddSendStreams()  local
373     session_options->AddSendStream(sender->media_type(), sender->id(),  in AddSendStreams()
374                                    sender->stream_id());  in AddSendStreams()
580   for (const auto& sender : senders_) {  in ~PeerConnection()  local
581     sender->Stop();  in ~PeerConnection()
749   rtc::scoped_refptr<DtmfSenderInterface> sender(  in CreateDtmfSender()  local
751   if (!sender.get()) {  in CreateDtmfSender()
755   return DtmfSenderProxy::Create(signaling_thread(), sender.get());  in CreateDtmfSender()
781   for (const auto& sender : senders_) {  in GetSenders()  local
782     senders.push_back(RtpSenderProxy::Create(signaling_thread(), sender.get()));  in GetSenders()
1349   auto sender = FindSenderForTrack(track);  in OnAudioTrackAdded()  local
1350   if (sender != senders_.end()) {  in OnAudioTrackAdded()
1353     (*sender)->set_stream_id(stream->label());  in OnAudioTrackAdded()
1378   auto sender = FindSenderForTrack(track);  in OnAudioTrackRemoved()  local
1379   if (sender == senders_.end()) {  in OnAudioTrackRemoved()
1384   (*sender)->Stop();  in OnAudioTrackRemoved()
1385   senders_.erase(sender);  in OnAudioTrackRemoved()
1390   auto sender = FindSenderForTrack(track);  in OnVideoTrackAdded()  local
1391   if (sender != senders_.end()) {  in OnVideoTrackAdded()
1394     (*sender)->set_stream_id(stream->label());  in OnVideoTrackAdded()
1411   auto sender = FindSenderForTrack(track);  in OnVideoTrackRemoved()  local
1412   if (sender == senders_.end()) {  in OnVideoTrackRemoved()
1417   (*sender)->Stop();  in OnVideoTrackRemoved()
1418   senders_.erase(sender);  in OnVideoTrackRemoved()
1699   RtpSenderInterface* sender = FindSenderById(track_id);  in OnLocalTrackSeen()  local
1700   if (!sender) {  in OnLocalTrackSeen()
1706   if (sender->media_type() != media_type) {  in OnLocalTrackSeen()
1712   sender->set_stream_id(stream_label);  in OnLocalTrackSeen()
1713   sender->SetSsrc(ssrc);  in OnLocalTrackSeen()
1720   RtpSenderInterface* sender = FindSenderById(track_id);  in OnLocalTrackRemoved()  local
1721   if (!sender) {  in OnLocalTrackRemoved()
1730   if (sender->media_type() != media_type) {  in OnLocalTrackRemoved()
1736   sender->SetSsrc(0);  in OnLocalTrackRemoved()
1962                    [id](const rtc::scoped_refptr<RtpSenderInterface>& sender) {  in FindSenderById()  argument
1963                      return sender->id() == id;  in FindSenderById()
1972       [track](const rtc::scoped_refptr<RtpSenderInterface>& sender) {  in FindSenderForTrack()  argument
1973         return sender->track() == track;  in FindSenderForTrack()