Cleanup: Remove unneeded forward declarations from chrome/browser/chromeos.

chrome/browser/chromeos/mobile_config.h

 // Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_MOBILE_CONFIG_H_
 #define CHROME_BROWSER_CHROMEOS_MOBILE_CONFIG_H_
 #pragma once
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/time.h"
 #include "chrome/browser/chromeos/customization_document.h"
 
 class FilePath;
 
 namespace base {
 class DictionaryValue;
-class ListValue;
 }
 
 namespace chromeos {
 
 // Class that processes mobile (carrier) configuration.
 // Confugration is defined as a JSON file - global and local one.
 // First global configuration is loaded then local one if it exists.
 // Notes on global/local configuration:
 // 1. All global config data is inherited unless some carrier properties
 //    are overidden or carrier deals are explicitly marked as excluded.
@@ skipping 126 matching lines @@
   // Root value of the local config (if it exists).
   // Global config is stored in root_ of the base class.
   scoped_ptr<base::DictionaryValue> local_config_root_;
 
   DISALLOW_COPY_AND_ASSIGN(MobileConfig);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_MOBILE_CONFIG_H_