Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/chromeos/customization_document.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_CUSTOMIZATION_DOCUMENT_H_
 #define CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_DOCUMENT_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/timer.h"
 #include "base/values.h"
 #include "googleurl/src/gurl.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 class FilePath;
-class PrefService;
+class PrefServiceSimple;
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace net {
 class URLFetcher;
 }
 
 namespace chromeos {
@@ skipping 81 matching lines @@
 // ServicesCustomizationDocument is fetched from network or local file but on
 // FILE thread therefore it may not be ready just after creation. Fetching of
 // the manifest should be initiated outside this class by calling
 // StartFetching() method. User of the file should check IsReady before use it.
 class ServicesCustomizationDocument : public CustomizationDocument,
                                       private net::URLFetcherDelegate {
  public:
   static ServicesCustomizationDocument* GetInstance();
 
   // Registers preferences.
-  static void RegisterPrefs(PrefService* local_state);
+  static void RegisterPrefs(PrefServiceSimple* local_state);
 
   // Return true if the customization was applied. Customization is applied only
   // once per machine.
   static bool WasApplied();
 
   // Start fetching customization document.
   void StartFetching();
 
   // Apply customization and save in machine options that customization was
   // applied successfully. Return true if customization was applied.
@@ skipping 38 matching lines @@
 
   // How many times we already tried to fetch customization manifest file.
   int num_retries_;
 
   DISALLOW_COPY_AND_ASSIGN(ServicesCustomizationDocument);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_DOCUMENT_H_