Introduce a fake HostStub since there's no need to handle it now

remoting/host/chromoting_host.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_CHROMOTING_HOST_H_
 #define REMOTING_CHROMOTING_HOST_H_
 
 #include <string>
 
 #include "base/thread.h"
 #include "remoting/base/encoder.h"
 #include "remoting/host/access_verifier.h"
 #include "remoting/host/capturer.h"
 #include "remoting/host/heartbeat_sender.h"
 #include "remoting/jingle_glue/jingle_client.h"
 #include "remoting/jingle_glue/jingle_thread.h"
-#include "remoting/protocol/input_stub.h"
 #include "remoting/protocol/session_manager.h"
 #include "remoting/protocol/connection_to_client.h"
 
 class Task;
 
 namespace remoting {
 
 namespace protocol {
 class ConnectionToClient;
+class HostStub;
+class InputStub;
 class SessionConfig;
 }  // namespace protocol
 
 class Capturer;
 class ChromotingHostContext;
 class Encoder;
 class MutableHostConfig;
 class SessionManager;
 
 // A class to implement the functionality of a host process.
@@ skipping 89 matching lines @@
   // Capturer to be used by SessionManager. Once the SessionManager is
   // constructed this is set to NULL.
   scoped_ptr<Capturer> capturer_;
 
   // constructed this is set to NULL.
   scoped_ptr<Encoder> encoder_;
 
   // InputStub in the host executes input events received from the client.
   scoped_ptr<protocol::InputStub> input_stub_;
 
+  // HostStub in the host executes control events received from the client.
+  scoped_ptr<protocol::HostStub> host_stub_;
+
   // The libjingle client. This is used to connect to the talk network to
   // receive connection requests from chromoting client.
   scoped_refptr<JingleClient> jingle_client_;
 
   scoped_refptr<protocol::SessionManager> session_manager_;
 
   // Objects that takes care of sending heartbeats to the chromoting bot.
   scoped_refptr<HeartbeatSender> heartbeat_sender_;
 
   AccessVerifier access_verifier_;
@@ skipping 16 matching lines @@
 
   // Lock is to lock the access to |state_|.
   Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_