Removed dead code from chrome/browser/extensions/api/preference

chrome/browser/extensions/api/preference/preference_api_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/extensions/api/preference/preference_api_factory.h"
 
 #include "chrome/browser/extensions/api/preference/preference_api.h"
 #include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 
 namespace extensions {
 
 // static
-PreferenceAPI* PreferenceAPIFactory::GetForProfile(Profile* profile) {
-  return static_cast<PreferenceAPI*>(
-      GetInstance()->GetServiceForProfile(profile, true));
-}
-
-// static
 PreferenceAPIFactory* PreferenceAPIFactory::GetInstance() {
   return Singleton<PreferenceAPIFactory>::get();
 }
 
 PreferenceAPIFactory::PreferenceAPIFactory()
     : ProfileKeyedServiceFactory("PreferenceAPI",
                                  ProfileDependencyManager::GetInstance()) {
   DependsOn(ExtensionSystemFactory::GetInstance());
 }
 
 PreferenceAPIFactory::~PreferenceAPIFactory() {
 }
 
 ProfileKeyedService* PreferenceAPIFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   return new PreferenceAPI(profile);
 }
 
 bool PreferenceAPIFactory::ServiceIsCreatedWithProfile() const {
   return true;
 }
 
 bool PreferenceAPIFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }
 
 }  // namespace extensions