Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/first_run/first_run.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_FIRST_RUN_FIRST_RUN_H_
 #define CHROME_BROWSER_FIRST_RUN_FIRST_RUN_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/gfx/native_widget_types.h"
 
 class CommandLine;
 class GURL;
-class PrefServiceSyncable;
+class PrefRegistrySyncable;
 class Profile;
 class ProcessSingleton;
 
 namespace base {
 class FilePath;
 }
 
 // This namespace contains the chrome first-run installation actions needed to
 // fully test the custom installer. It also contains the opposite actions to
 // execute during uninstall. When the first run UI is ready we won't
@@ skipping 44 matching lines @@
 // Returns true if this is the first time chrome is run for this user.
 bool IsChromeFirstRun();
 
 // Creates the sentinel file that signals that chrome has been configured.
 bool CreateSentinel();
 
 // Get RLZ ping delay pref name.
 std::string GetPingDelayPrefName();
 
 // Register user preferences used by the MasterPrefs structure.
-void RegisterUserPrefs(PrefServiceSyncable* prefs);
+void RegisterUserPrefs(PrefRegistrySyncable* registry);
 
 // Removes the sentinel file created in ConfigDone(). Returns false if the
 // sentinel file could not be removed.
 bool RemoveSentinel();
 
 // Sets the kShowFirstRunBubbleOption local state pref so that the browser
 // shows the bubble once the main message loop gets going (or refrains from
 // showing the bubble, if |show_bubble| is not FIRST_RUN_BUBBLE_SHOW).
 // Once FIRST_RUN_BUBBLE_SUPPRESS is set, no other value can be set.
 // Returns false if the pref service could not be retrieved.
@@ skipping 79 matching lines @@
                        const content::NotificationDetails& details) OVERRIDE;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunBubbleLauncher);
 };
 
 }  // namespace first_run
 
 #endif  // CHROME_BROWSER_FIRST_RUN_FIRST_RUN_H_