Cleanup: Another round of unused forward declaration cleanup.

remoting/protocol/host_control_dispatcher.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.
 
 #ifndef REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_
 #define REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_
 
 #include "base/memory/ref_counted.h"
 #include "remoting/protocol/channel_dispatcher_base.h"
 #include "remoting/protocol/client_stub.h"
 #include "remoting/protocol/message_reader.h"
 
-namespace base {
-class MessageLoopProxy;
-}  // namespace base
-
 namespace net {
 class StreamSocket;
 }  // namespace net
 
 namespace remoting {
 namespace protocol {
 
 class BufferedSocketWriter;
 class ControlMessage;
 class HostStub;
@@ skipping 25 matching lines @@
   ProtobufMessageReader<ControlMessage> reader_;
   scoped_refptr<BufferedSocketWriter> writer_;
 
   DISALLOW_COPY_AND_ASSIGN(HostControlDispatcher);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_