remoting: Cleanup class/struct fwd declarations

remoting/client/chromoting_client.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.
 
 // ChromotingClient is the controller for the Client implementation.
 
 #ifndef REMOTING_CLIENT_CHROMOTING_CLIENT_H_
 #define REMOTING_CLIENT_CHROMOTING_CLIENT_H_
 
 #include <memory>
@@ skipping 19 matching lines @@
 
 namespace remoting {
 
 namespace protocol {
 class CandidateSessionConfig;
 class SessionManager;
 class TransportContext;
 class VideoRenderer;
 }  // namespace protocol
 
-class AudioDecodeScheduler;
 class ClientContext;
 class ClientUserInterface;
-class FrameConsumerProxy;
 
 class ChromotingClient : public SignalStrategy::Listener,
                          public protocol::ConnectionToHost::HostEventCallback,
                          public protocol::ClientStub {
  public:
   // |client_context|, |user_interface| and |video_renderer| must outlive the
   // client. |audio_consumer| may be null, in which case audio will not be
   // requested.
   ChromotingClient(ClientContext* client_context,
                    ClientUserInterface* user_interface,
@@ skipping 86 matching lines @@
 
   // True if |protocol::Capabilities| message has been received.
   bool host_capabilities_received_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingClient);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_CHROMOTING_CLIENT_H_