[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"
@@ skipping 20 matching lines @@
         "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