Turn on flag to check cookies when updating NTP Promo.

chrome/browser/web_resource/promo_resource_service.cc

 // Copyright (c) 2011 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/web_resource/promo_resource_service.h"
 
 #include "base/command_line.h"
 #include "base/rand_util.h"
 #include "base/string_number_conversions.h"
 #include "base/threading/thread_restrictions.h"
@@ skipping 202 matching lines @@
 
 std::string PromoResourceService::GetPromoLocale() {
   PrefService* local_state = g_browser_process->local_state();
   return local_state->GetString(prefs::kNTPPromoLocale);
 }
 
 void PromoResourceService::UnpackNotificationSignal(
     const DictionaryValue& parsed_json) {
   scoped_refptr<NotificationPromo> notification_promo =
       NotificationPromo::Create(profile_, this);
-  notification_promo->InitFromJson(parsed_json, false);
+  notification_promo->InitFromJson(parsed_json, true);
 }
 
 bool PromoResourceService::CanShowNotificationPromo(Profile* profile) {
   scoped_refptr<NotificationPromo> notification_promo =
       NotificationPromo::Create(profile, NULL);
   notification_promo->InitFromPrefs();
   return notification_promo->CanShow();
 }
 
 void PromoResourceService::UnpackWebStoreSignal(
@@ skipping 219 matching lines @@
   if (!prefs->HasPrefPath(prefs::kNTPSignInPromoGroup)) {
     prefs->SetInteger(prefs::kNTPSignInPromoGroup,
                       base::RandInt(1, kNTPSignInPromoNumberOfGroups));
   }
 
   // A response is not kept if the build wasn't targeted, so the only thing
   // required to check is the group this client has been tagged in.
   return prefs->GetInteger(prefs::kNTPSignInPromoGroupMax) >=
          prefs->GetInteger(prefs::kNTPSignInPromoGroup);
 }