Refactor client channel dispatchers.

remoting/protocol/host_control_sender.h

-// Copyright (c) 2011 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.
-
-// Implementation of HostStub using sockets created from jingle connection.
-// It sends messages through the socket after serializing it.
-//
-// Object of this class can only be created by ConnectionToHost.
-//
-// This class can be used on any thread.
-
-#ifndef REMOTING_PROTOCOL_HOST_STUB_IMPL_H_
-#define REMOTING_PROTOCOL_HOST_STUB_IMPL_H_
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "remoting/protocol/host_stub.h"
-
-namespace base {
-class MessageLoopProxy;
-}  // namespace base
-
-namespace net {
-class Socket;
-}  // namespace net
-
-namespace remoting {
-namespace protocol {
-
-class BufferedSocketWriter;
-
-// Implementation of HostStub that sends commands on a socket. Must be
-// created and closed on the network thread, but can be used on any
-// other thread.
-class HostControlSender : public HostStub {
- public:
-  explicit HostControlSender(base::MessageLoopProxy* message_loop,
-                             net::Socket* socket);
-  virtual ~HostControlSender();
-
-  // Stop writing. Must be called on the network thread when the
-  // underlying socket is being destroyed.
-  void Close();
-
- private:
-  // Buffered socket writer holds the serialized message and send it on the
-  // right thread.
-  scoped_refptr<BufferedSocketWriter> buffered_writer_;
-
-  DISALLOW_COPY_AND_ASSIGN(HostControlSender);
-};
-
-}  // namespace protocol
-}  // namespace remoting
-
-#endif  // REMOTING_PROTOCOL_HOST_STUB_IMPL_H_