Cast:Adding signaling and infrastructure for adjustable delay

media/cast/cast_receiver_impl.cc

Index: media/cast/cast_receiver_impl.cc
diff --git a/media/cast/cast_receiver_impl.cc b/media/cast/cast_receiver_impl.cc
index 4561fea5ff7b39db6d3e5eeefc3fd998c77c3700..0505f44a6fccae9a87f9075f5d5bbae12e6cc3a0 100644
--- a/media/cast/cast_receiver_impl.cc
+++ b/media/cast/cast_receiver_impl.cc
@@ -100,7 +100,11 @@ CastReceiverImpl::CastReceiverImpl(
              packet_sender,
              cast_environment->GetTaskRunner(CastEnvironment::TRANSPORT)),
       audio_receiver_(cast_environment, audio_config, &pacer_),
-      video_receiver_(cast_environment, video_config, &pacer_),
+      video_receiver_(cast_environment,
+                      video_config,
+                      &pacer_,
+                      base::Bind(&CastReceiverImpl::UpdateTargetDelay,
+                                 base::Unretained(this))),
       frame_receiver_(new LocalFrameReceiver(cast_environment,
                                              &audio_receiver_,
                                              &video_receiver_)),
@@ -146,6 +150,10 @@ void CastReceiverImpl::ReceivedPacket(scoped_ptr<Packet> packet) {
   }
 }
 
+void CastReceiverImpl::UpdateTargetDelay(base::TimeDelta target_delay_ms) {
+  audio_receiver_.SetTargetDelay(target_delay_ms);
+}
+
 transport::PacketReceiverCallback CastReceiverImpl::packet_receiver() {
   return base::Bind(&CastReceiverImpl::ReceivedPacket, base::Unretained(this));
 }