NotificationObjectProxy should own the DesktopNotificationDelegateImpl

chrome/browser/notifications/desktop_notification_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 #define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 65 matching lines @@
       const PermissionRequestID& request_id,
       const GURL& requesting_frame,
       bool user_gesture,
       const NotificationPermissionCallback& callback);
 
   // Show a desktop notification. If |cancel_callback| is non-null, it's set to
   // a callback which can be used to cancel the notification.
   void ShowDesktopNotification(
       const content::ShowDesktopNotificationHostMsgParams& params,
       content::RenderFrameHost* render_frame_host,
-      content::DesktopNotificationDelegate* delegate,
+      scoped_ptr<content::DesktopNotificationDelegate> delegate,
       base::Closure* cancel_callback);
 
   // Creates a data:xxxx URL which contains the full HTML for a notification
   // using supplied icon, title, and text, run through a template which contains
   // the standard formatting for notifications.
   static base::string16 CreateDataUrl(const GURL& icon_url,
                                       const base::string16& title,
                                       const base::string16& body,
                                       blink::WebTextDirection dir);
 
@@ skipping 81 matching lines @@
 
   // Welcome Notification
   scoped_ptr<ExtensionWelcomeNotification> chrome_now_welcome_notification_;
 
   base::WeakPtrFactory<DesktopNotificationService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_