Fix prefs registration in promo code.

chrome/browser/web_resource/notification_promo.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_WEB_RESOURCE_NOTIFICATION_PROMO_H_
 #define CHROME_BROWSER_WEB_RESOURCE_NOTIFICATION_PROMO_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 49 matching lines @@
   bool new_notification() const { return new_notification_; }
 
   const std::string& promo_text() const { return promo_text_; }
   PromoType promo_type() const { return promo_type_; }
   const base::DictionaryValue* promo_payload() const {
     return promo_payload_.get();
   }
 
   // Register preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
-  static void RegisterUserPrefs(PrefService* prefs,
-                                PrefRegistrySyncable* registry);
+  static void RegisterUserPrefs(PrefRegistrySyncable* registry);
+  static void MigrateUserPrefs(PrefService* user_prefs);
 
  private:
   // For testing.
   friend class NotificationPromoTest;
 
   // Check if this promo notification is new based on start/end times,
   // and trigger events accordingly.
   void CheckForNewNotification();
 
   // Actions on receiving a new promo notification.
@@ skipping 33 matching lines @@
   int group_;
   int views_;
   bool closed_;
 
   bool new_notification_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationPromo);
 };
 
 #endif  // CHROME_BROWSER_WEB_RESOURCE_NOTIFICATION_PROMO_H_