chromeos: Cleanup class/struct fwd declarations

chromeos/network/network_profile_handler.h

 // Copyright (c) 2013 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 CHROMEOS_NETWORK_NETWORK_PROFILE_HANDLER_H_
 #define CHROMEOS_NETWORK_NETWORK_PROFILE_HANDLER_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/dbus/dbus_method_call_status.h"
 #include "chromeos/dbus/shill_property_changed_observer.h"
 #include "chromeos/network/network_handler.h"
 #include "chromeos/network/network_profile.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace chromeos {
 
 class NetworkProfileObserver;
-class NetworkStateHandler;
 
 class CHROMEOS_EXPORT NetworkProfileHandler
     : public ShillPropertyChangedObserver {
  public:
   typedef std::vector<NetworkProfile> ProfileList;
 
   ~NetworkProfileHandler() override;
 
   void AddObserver(NetworkProfileObserver* observer);
   void RemoveObserver(NetworkProfileObserver* observer);
@@ skipping 46 matching lines @@
   // For Shill client callbacks
   base::WeakPtrFactory<NetworkProfileHandler> weak_ptr_factory_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkProfileHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_PROFILE_HANDLER_H_