Factor Google Now welcome notifications out of DesktopNotificationService.

chrome/browser/notifications/message_center_notification_manager.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/notifications/message_center_notification_manager.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/api/notification_provider/notification_provider_api.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
+#include "chrome/browser/notifications/extensions/extension_welcome_notification.h"
+#include "chrome/browser/notifications/extensions/extension_welcome_notification_factory.h"
 #include "chrome/browser/notifications/fullscreen_notification_blocker.h"
 #include "chrome/browser/notifications/message_center_settings_controller.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_conversion_helper.h"
 #include "chrome/browser/notifications/screen_lock_notification_blocker.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/common/extensions/api/notification_provider.h"
@@ skipping 89 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NotificationUIManager
 
 void MessageCenterNotificationManager::Add(const Notification& notification,
                                            Profile* profile) {
   if (Update(notification, profile))
     return;
 
-  DesktopNotificationServiceFactory::GetForProfile(profile)->
+  ExtensionWelcomeNotificationFactory::GetForBrowserContext(profile)->
       ShowWelcomeNotificationIfNecessary(notification);
 
   // WARNING: You MUST update the message center via the notification within a
   // ProfileNotification object or the profile ID will not be correctly set for
   // ChromeOS.
   ProfileNotification* profile_notification(
       new ProfileNotification(profile, notification, message_center_));
   AddProfileNotification(profile_notification);
 
   // TODO(liyanhou): Change the logic to only send notifications to one party.
@@ skipping 404 matching lines @@
        it != registry->enabled_extensions().end();
        ++it) {
     if ((*it->get()).permissions_data()->HasAPIPermission(
             extensions::APIPermission::ID::kNotificationProvider)) {
       extension_id = (*it->get()).id();
       return extension_id;
     }
   }
   return extension_id;
 }