[Cast] RTT clean-up to the max!

media/cast/sender/audio_sender.cc

Index: media/cast/sender/audio_sender.cc
diff --git a/media/cast/sender/audio_sender.cc b/media/cast/sender/audio_sender.cc
index 0a458911358c5af323ff1320be4e81deed858665..476c59b4a6e210bf29af70c906ab1c4d352ab736 100644
--- a/media/cast/sender/audio_sender.cc
+++ b/media/cast/sender/audio_sender.cc
@@ -71,7 +71,8 @@ AudioSender::AudioSender(scoped_refptr<CastEnvironment> cast_environment,
       transport_config,
       base::Bind(&AudioSender::OnReceivedCastFeedback,
                  weak_factory_.GetWeakPtr()),
-      base::Bind(&AudioSender::OnReceivedRtt, weak_factory_.GetWeakPtr()));
+      base::Bind(&AudioSender::OnMeasuredRoundTripTime,
+                 weak_factory_.GetWeakPtr()));
 }
 
 AudioSender::~AudioSender() {}