SyncSocket Transit Descriptor - refactoring

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 "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 58 matching lines @@
   void Send(IPC::Message* message);
 
   // IPC::MessageFilter override. Called on |io_message_loop|.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE;
   virtual void OnFilterRemoved() OVERRIDE;
   virtual void OnChannelClosing() OVERRIDE;
 
   // Received when browser process has created an audio output stream.
   void OnStreamCreated(int stream_id, base::SharedMemoryHandle handle,
-#if defined(OS_WIN)
-                       base::SyncSocket::Handle socket_handle,
-#else
-                       base::FileDescriptor socket_descriptor,
-#endif
+                       base::SyncSocket::TransitDescriptor socket_descriptor,
                        uint32 length);
 
   // Received when internal state of browser process' audio output device has
   // changed.
   void OnStreamStateChanged(int stream_id,
                             media::AudioOutputIPCDelegate::State state);
 
   // Received when the browser process detects an output device change.
   void OnOutputDeviceChanged(int stream_id, int new_buffer_size,
                              int new_sample_rate);
@@ skipping 15 matching lines @@
 
   // 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_