remoting: Cleanup class/struct fwd declarations

remoting/client/plugin/chromoting_instance.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_CLIENT_PLUGIN_CHROMOTING_INSTANCE_H_
 #define REMOTING_CLIENT_PLUGIN_CHROMOTING_INSTANCE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 26 matching lines @@
 #include "remoting/protocol/input_event_tracker.h"
 #include "remoting/protocol/mouse_input_filter.h"
 #include "remoting/protocol/performance_tracker.h"
 
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
 namespace pp {
 class InputEvent;
-class Module;
 class VarDictionary;
 }  // namespace pp
 
 namespace jingle_glue {
 class JingleThreadWrapper;
 }  // namespace jingle_glue
 
 namespace webrtc {
 class DesktopRegion;
 class DesktopSize;
@@ skipping 234 matching lines @@
 
   // Weak reference to this instance, used for global logging and task posting.
   base::WeakPtrFactory<ChromotingInstance> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingInstance);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_PLUGIN_CHROMOTING_INSTANCE_H_