NotificationObjectProxy should own the DesktopNotificationDelegateImpl

content/public/browser/content_browser_client.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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
 #include "content/public/browser/certificate_request_result_type.h"
+#include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/resource_type.h"
 #include "content/public/common/socket_permission_request.h"
 #include "content/public/common/window_container_type.h"
 #include "net/base/mime_util.h"
 #include "net/cookies/canonical_cookie.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "third_party/WebKit/public/platform/WebNotificationPermission.h"
 #include "ui/base/window_open_disposition.h"
@@ skipping 401 matching lines @@
       CheckDesktopNotificationPermission(
           const GURL& source_url,
           ResourceContext* context,
           int render_process_id);
 
   // Show a desktop notification. If |cancel_callback| is non-null, it's set to
   // a callback which can be used to cancel the notification.
   virtual void ShowDesktopNotification(
       const ShowDesktopNotificationHostMsgParams& params,
       RenderFrameHost* render_frame_host,
-      DesktopNotificationDelegate* delegate,
+      scoped_ptr<DesktopNotificationDelegate> delegate,
       base::Closure* cancel_callback) {}
 
   // The renderer is requesting permission to use Geolocation. When the answer
   // to a permission request has been determined, |result_callback| should be
   // called with the result. If |cancel_callback| is non-null, it's set to a
   // callback which can be used to cancel the permission request.
   virtual void RequestGeolocationPermission(
       WebContents* web_contents,
       int bridge_id,
       const GURL& requesting_frame,
@@ skipping 201 matching lines @@
   // Allows an embedder to provide its own ExternalVideoSurfaceContainer
   // implementation.  Return NULL to disable external surface video.
   virtual ExternalVideoSurfaceContainer*
   OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_