Remove video_channel() from Session interface

remoting/protocol/connection_to_client.h

Index: remoting/protocol/connection_to_client.h
diff --git a/remoting/protocol/connection_to_client.h b/remoting/protocol/connection_to_client.h
index 296ce63ca6659023364d21a85e0b6d5a8db2bedf..76e95de1241633069ee3db804bc024b0b46d2df1 100644
--- a/remoting/protocol/connection_to_client.h
+++ b/remoting/protocol/connection_to_client.h
@@ -90,16 +90,15 @@ class ConnectionToClient :
   // Callback for protocol Session.
   void OnSessionStateChange(Session::State state);
 
-  // Stops writing in the channels.
-  void CloseChannels();
+  // Callback for VideoReader::Init().
+  void OnVideoInitialized(bool successful);
 
-  // The libjingle channel used to send and receive data from the remote client.
-  scoped_ptr<Session> session_;
+  void NotifyIfChannelsReady();
 
-  scoped_ptr<VideoWriter> video_writer_;
+  void CloseOnError();
 
-  // ClientStub for sending messages to the client.
-  scoped_ptr<ClientControlSender> client_control_sender_;
+  // Stops writing in the channels.
+  void CloseChannels();
 
   // The message loop that this object runs on.
   MessageLoop* loop_;
@@ -107,15 +106,25 @@ class ConnectionToClient :
   // Event handler for handling events sent from this object.
   EventHandler* handler_;
 
-  // HostStub for receiving control events from the client.
+  // Stubs that are called for incoming messages.
   HostStub* host_stub_;
-
-  // InputStub for receiving input events from the client.
   InputStub* input_stub_;
 
-  // Dispatcher for submitting messages to stubs.
+  // The libjingle channel used to send and receive data from the remote client.
+  scoped_ptr<Session> session_;
+
+  // Writers for outgoing channels.
+  scoped_ptr<VideoWriter> video_writer_;
+  scoped_ptr<ClientControlSender> client_control_sender_;
+
+  // Dispatcher for incoming messages.
   scoped_ptr<HostMessageDispatcher> dispatcher_;
 
+  // State of the channels.
+  bool control_connected_;
+  bool input_connected_;
+  bool video_connected_;
+
   DISALLOW_COPY_AND_ASSIGN(ConnectionToClient);
 };