remoting: Cleanup class/struct fwd declarations

remoting/client/ios/bridge/client_instance.h

 // Copyright 2016 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_CLIENT_IOS_BRIDGE_CLIENT_INSTANCE_H_
 #define REMOTING_CLIENT_IOS_BRIDGE_CLIENT_INSTANCE_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 17 matching lines @@
 #include "remoting/protocol/network_settings.h"
 #include "remoting/protocol/performance_tracker.h"
 #include "remoting/protocol/transport_context.h"
 #include "remoting/signaling/xmpp_signal_strategy.h"
 
 //#include "remoting/client/ios/audio_player_ios.h"
 
 namespace remoting {
 
 // class AudioPlayerIos;
-class AudioConsumer;
 class ClientProxy;
 class ClientStatusLogger;
 class FrameConsumerBridge;
 
 // ClientUserInterface that indirectly makes and receives OBJ_C calls from the
 // UI application.
 class ClientInstance : public ClientUserInterface,
                        public protocol::ClipboardStub,
                        public protocol::CursorShapeStub,
                        public base::RefCountedThreadSafe<ClientInstance> {
@@ skipping 144 matching lines @@
   scoped_refptr<net::URLRequestContextGetter> url_requester_;
 
   friend class base::RefCountedThreadSafe<ClientInstance>;
 
   DISALLOW_COPY_AND_ASSIGN(ClientInstance);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_IOS_BRIDGE_CLIENT_INSTANCE_H_