Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chromeos/login/wizard_controller.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 CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_CONTROLLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "chrome/browser/chromeos/login/screen_observer.h"
 #include "chrome/browser/chromeos/login/wizard_screen.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/rect.h"
 
-class PrefService;
+class PrefServiceSimple;
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace chromeos {
 
 class EnterpriseEnrollmentScreen;
 class EulaScreen;
 class HTMLPageScreen;
@@ skipping 60 matching lines @@
   // Sets delays to zero. MUST be used only for tests.
   static void SetZeroDelays();
 
   // If true zero delays have been enabled (for browser tests).
   static bool IsZeroDelayEnabled();
 
   // Sets initial locale in local settings.
   static void SetInitialLocale(const std::string& locale);
 
   // Registers OOBE preferences.
-  static void RegisterPrefs(PrefService* local_state);
+  static void RegisterPrefs(PrefServiceSimple* local_state);
 
   // Marks user image screen to be always skipped after login.
   static void SkipImageSelectionForTesting();
 
   // Shows the first screen defined by |first_screen_name| or by default
   // if the parameter is empty. Takes ownership of |screen_parameters|.
   void Init(const std::string& first_screen_name,
             base::DictionaryValue* screen_parameters);
 
   // Advances to screen defined by |screen_name| and shows it.
@@ skipping 181 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(WizardControllerFlowTest, Accelerators);
   friend class WizardControllerFlowTest;
   friend class WizardInProcessBrowserTest;
 
   DISALLOW_COPY_AND_ASSIGN(WizardController);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WIZARD_CONTROLLER_H_