Remove event_channel() and control_channel() from Session interface.

remoting/protocol/connection_to_host.h

Index: remoting/protocol/connection_to_host.h
diff --git a/remoting/protocol/connection_to_host.h b/remoting/protocol/connection_to_host.h
index 8a2385ae44f2211a00bc84e912c69090248095c9..a7ce529eb65ccdfb476467aa508e3b6f6f74317f 100644
--- a/remoting/protocol/connection_to_host.h
+++ b/remoting/protocol/connection_to_host.h
@@ -117,7 +117,9 @@ class ConnectionToHost : public SignalStrategy::StatusObserver,
   // Callback for |session_|.
   void OnSessionStateChange(Session::State state);
 
-  // Callback for VideoReader::Init().
+  // Callbacks for channel initialization
+  void OnControlChannelInitialized(bool successful);
+  void OnEventChannelInitialized(bool successful);
   void OnVideoChannelInitialized(bool successful);
 
   void NotifyIfChannelsReady();
@@ -153,16 +155,16 @@ class ConnectionToHost : public SignalStrategy::StatusObserver,
 
   scoped_ptr<VideoReader> video_reader_;
   scoped_ptr<ClientControlDispatcher> control_dispatcher_;
-  scoped_ptr<ClientEventDispatcher> input_dispatcher_;
+  scoped_ptr<ClientEventDispatcher> event_dispatcher_;
 
   // Internal state of the connection.
   State state_;
   Error error_;
 
   // State of the channels.
-  bool control_connected_;
-  bool input_connected_;
-  bool video_connected_;
+  bool control_channel_connected_;
+  bool event_channel_connected_;
+  bool video_channel_connected_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConnectionToHost);