Protocol plumbing for audio toggle.

remoting/protocol/client_control_dispatcher.cc

Index: remoting/protocol/client_control_dispatcher.cc
diff --git a/remoting/protocol/client_control_dispatcher.cc b/remoting/protocol/client_control_dispatcher.cc
index 7363de44cb664638ed9d8854cb945445193a6f05..155f12819e8825c0e88255ba33c836fd755cdfab 100644
--- a/remoting/protocol/client_control_dispatcher.cc
+++ b/remoting/protocol/client_control_dispatcher.cc
@@ -54,6 +54,12 @@ void ClientControlDispatcher::ControlVideo(const VideoControl& video_control) {
   writer_.Write(SerializeAndFrameMessage(message), base::Closure());
 }
 
+void ClientControlDispatcher::ControlAudio(const AudioControl& audio_control) {
+  ControlMessage message;
+  message.mutable_audio_control()->CopyFrom(audio_control);
+  writer_.Write(SerializeAndFrameMessage(message), base::Closure());
+}
+
 void ClientControlDispatcher::OnMessageReceived(
     scoped_ptr<ControlMessage> message, const base::Closure& done_task) {
   DCHECK(client_stub_);