[GCM] Make sure GCM checkout logic is invoked when the profile is signed out

chrome/browser/services/gcm/gcm_profile_service_factory.cc

 // Copyright (c) 2013 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/services/gcm/gcm_profile_service_factory.h"
 
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/services/gcm/gcm_client_factory.h"
 #include "chrome/browser/services/gcm/gcm_profile_service.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 
 namespace gcm {
 
 // static
 GCMProfileService* GCMProfileServiceFactory::GetForProfile(Profile* profile) {
-  if (!gcm::GCMProfileService::IsGCMEnabled(profile))
+  // GCM is not supported in incognito mode.
+  if (profile->IsOffTheRecord())
     return NULL;
 
   return static_cast<GCMProfileService*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }
 
 // static
 GCMProfileServiceFactory* GCMProfileServiceFactory::GetInstance() {
   return Singleton<GCMProfileServiceFactory>::get();
 }
 
 GCMProfileServiceFactory::GCMProfileServiceFactory()
     : BrowserContextKeyedServiceFactory(
         "GCMProfileService",
         BrowserContextDependencyManager::GetInstance()) {
 }
 
 GCMProfileServiceFactory::~GCMProfileServiceFactory() {
 }
 
 BrowserContextKeyedService* GCMProfileServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = static_cast<Profile*>(context);
-  if (!gcm::GCMProfileService::IsGCMEnabled(profile))
-    return NULL;
   GCMProfileService* service = new GCMProfileService(profile);
   scoped_ptr<GCMClientFactory> gcm_client_factory(new GCMClientFactory);
   service->Initialize(gcm_client_factory.Pass());
   return service;
 }
 
 content::BrowserContext* GCMProfileServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextOwnInstanceInIncognito(context);
 }
 
 }  // namespace gcm