Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/google/google_url_tracker_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/google/google_url_tracker_factory.h"
 
 #include "chrome/browser/google/google_url_tracker.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/common/pref_names.h"
 
 
 // static
 GoogleURLTracker* GoogleURLTrackerFactory::GetForProfile(Profile* profile) {
   return static_cast<GoogleURLTracker*>(
       GetInstance()->GetServiceForProfile(profile, true));
 }
@@ skipping 10 matching lines @@
 
 GoogleURLTrackerFactory::~GoogleURLTrackerFactory() {
 }
 
 ProfileKeyedService* GoogleURLTrackerFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   return new GoogleURLTracker(profile, GoogleURLTracker::NORMAL_MODE);
 }
 
 void GoogleURLTrackerFactory::RegisterUserPrefs(
-    PrefServiceSyncable* user_prefs) {
+    PrefRegistrySyncable* user_prefs) {
   user_prefs->RegisterStringPref(prefs::kLastKnownGoogleURL,
                                  GoogleURLTracker::kDefaultGoogleHomepage,
-                                 PrefServiceSyncable::UNSYNCABLE_PREF);
+                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
   user_prefs->RegisterStringPref(prefs::kLastPromptedGoogleURL,
                                  std::string(),
-                                 PrefServiceSyncable::UNSYNCABLE_PREF);
+                                 PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 bool GoogleURLTrackerFactory::ServiceRedirectedInIncognito() const {
   return true;
 }
 
 bool GoogleURLTrackerFactory::ServiceIsCreatedWithProfile() const {
   return true;
 }
 
 bool GoogleURLTrackerFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }