Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple.

chrome/browser/signin/signin_manager_factory.cc

 // 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.
 
 #include "chrome/browser/signin/signin_manager_factory.h"
 
+#include "chrome/browser/prefs/pref_registrar_simple.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/signin/token_service_factory.h"
 #include "chrome/common/pref_names.h"
 
 SigninManagerFactory::SigninManagerFactory()
     : ProfileKeyedServiceFactory("SigninManager",
                                  ProfileDependencyManager::GetInstance()) {
   DependsOn(TokenServiceFactory::GetInstance());
@@ skipping 28 matching lines @@
   user_prefs->RegisterBooleanPref(prefs::kReverseAutologinEnabled, true,
                                   PrefServiceSyncable::UNSYNCABLE_PREF);
   user_prefs->RegisterListPref(prefs::kReverseAutologinRejectedEmailList,
                                new ListValue,
                                PrefServiceSyncable::UNSYNCABLE_PREF);
   user_prefs->RegisterBooleanPref(prefs::kIsGooglePlusUser, false,
                                  PrefServiceSyncable::UNSYNCABLE_PREF);
 }
 
 // static
-void SigninManagerFactory::RegisterPrefs(PrefServiceSimple* local_state) {
-  local_state->RegisterStringPref(prefs::kGoogleServicesUsernamePattern, "");
+void SigninManagerFactory::RegisterPrefs(PrefRegistrarSimple* local_state) {
+  local_state
+->RegisterStringPref(prefs::kGoogleServicesUsernamePattern, "");
 }
 
 ProfileKeyedService* SigninManagerFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   SigninManager* service = new SigninManager();
   service->Initialize(profile);
   return service;
 }