remoting: Cleanup class/struct fwd declarations

remoting/protocol/client_control_dispatcher.h

 // Copyright (c) 2012 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_CLIENT_CONTROL_DISPATCHER_H_
 #define REMOTING_PROTOCOL_CLIENT_CONTROL_DISPATCHER_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "remoting/protocol/channel_dispatcher_base.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/cursor_shape_stub.h"
 #include "remoting/protocol/host_stub.h"
 
 namespace remoting {
 namespace protocol {
 
 class ClientStub;
-class ControlMessage;
-class Session;
 
 // ClientControlDispatcher dispatches incoming messages on the control
 // channel to ClientStub, ClipboardStub or CursorShapeStub.
 // It also implements ClipboardStub and HostStub for outgoing messages.
 class ClientControlDispatcher : public ChannelDispatcherBase,
                                 public ClipboardStub,
                                 public HostStub {
  public:
   ClientControlDispatcher();
   ~ClientControlDispatcher() override;
@@ skipping 25 matching lines @@
   ClientStub* client_stub_ = nullptr;
   ClipboardStub* clipboard_stub_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(ClientControlDispatcher);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CLIENT_CONTROL_DISPATCHER_H_