Part 2 of base::IDMap refactor to eliminate IDMapOwnPointer/IDMapExternalPointer modes

content/renderer/media/audio_message_filter.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_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_
 #define CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 74 matching lines @@
 
   // Received when internal state of browser process' audio output device has
   // changed.
   void OnStreamError(int stream_id);
 
   // IPC sender for Send(); must only be accessed on |io_task_runner_|.
   IPC::Sender* sender_;
 
   // A map of stream ids to delegates; must only be accessed on
   // |io_task_runner_|.
-  IDMap<media::AudioOutputIPCDelegate> delegates_;
+  IDMap<media::AudioOutputIPCDelegate*> delegates_;
 
   // Task runner on which IPC calls are executed.
   const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   // The singleton instance for this filter.
   static AudioMessageFilter* g_filter;
 
   DISALLOW_COPY_AND_ASSIGN(AudioMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_