Cast: Remove unused RTCP messages

media/cast/net/cast_transport_sender_impl.cc

Index: media/cast/net/cast_transport_sender_impl.cc
diff --git a/media/cast/net/cast_transport_sender_impl.cc b/media/cast/net/cast_transport_sender_impl.cc
index 374b990ad38b2526137afc658c1c7bcda1a7f642..248c69d6bb1e9c3b5d227ef45746aa122c533292 100644
--- a/media/cast/net/cast_transport_sender_impl.cc
+++ b/media/cast/net/cast_transport_sender_impl.cc
@@ -118,8 +118,7 @@ void CastTransportSenderImpl::InitializeAudio(
                clock_,
                &pacer_,
                config.ssrc,
-               config.feedback_ssrc,
-               config.c_name));
+               config.feedback_ssrc));
   pacer_.RegisterAudioSsrc(config.ssrc);
   status_callback_.Run(TRANSPORT_AUDIO_INITIALIZED);
 }
@@ -150,8 +149,7 @@ void CastTransportSenderImpl::InitializeVideo(
                clock_,
                &pacer_,
                config.ssrc,
-               config.feedback_ssrc,
-               config.c_name));
+               config.feedback_ssrc));
   pacer_.RegisterVideoSsrc(config.ssrc);
   status_callback_.Run(TRANSPORT_VIDEO_INITIALIZED);
 }