Added Protector backup for Preferences.

chrome/browser/protector/protector_service_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/protector/protector_service_factory.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/browser/protector/protected_prefs_watcher.h"
 #include "chrome/browser/protector/protector_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 
 namespace protector {
 
 // static
 ProtectorService* ProtectorServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<ProtectorService*>(
       GetInstance()->GetServiceForProfile(profile, true));
 }
 
 //  static
 ProtectorServiceFactory* ProtectorServiceFactory::GetInstance() {
   return Singleton<ProtectorServiceFactory>::get();
 }
 
 ProtectorServiceFactory::ProtectorServiceFactory()
     : ProfileKeyedServiceFactory("ProtectorService",
                                  ProfileDependencyManager::GetInstance()) {
+  // Dependencies for the correct service shutdown order.
   DependsOn(GlobalErrorServiceFactory::GetInstance());
   DependsOn(TemplateURLServiceFactory::GetInstance());
+  // BUG(ivankr): to be bullet-proof, ProtectorService must outlive the
+  // ExtensionService as well and be the second to last thing destroyed in
+  // ProfileImpl (the last being the PrefService itself). This cannot be
+  // accomplished with ProfileKeyedService implementation.
 }
 
 ProtectorServiceFactory::~ProtectorServiceFactory() {
 }
 
 ProfileKeyedService* ProtectorServiceFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   return new ProtectorService(profile);
 }
 
+void ProtectorServiceFactory::RegisterUserPrefs(PrefService* user_prefs) {
+  ProtectedPrefsWatcher::RegisterUserPrefs(user_prefs);
+}
+
+bool ProtectorServiceFactory::ServiceIsCreatedWithProfile() {
+  // ProtectorService watches changes for protected prefs so it must be started
+  // right with the profile creation.
+  return true;
+}
+
 bool ProtectorServiceFactory::ServiceRedirectedInIncognito() {
   return true;
 }
 
 }  // namespace protector