Remove CreatePlatformFile from content shell.

content/browser/renderer_host/media/audio_sync_reader.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_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_
 
-#include "base/file_descriptor_posix.h"
 #include "base/process/process.h"
 #include "base/sync_socket.h"
 #include "base/synchronization/lock.h"
 #include "base/time/time.h"
 #include "media/audio/audio_output_controller.h"
 #include "media/base/audio_bus.h"
 
+#if defined(OS_POSIX)
+#include "base/file_descriptor_posix.h"
+#endif
+
 namespace base {
 class SharedMemory;
 }
 
 namespace content {
 
 // A AudioOutputController::SyncReader implementation using SyncSocket. This
 // is used by AudioOutputController to provide a low latency data source for
 // transmitting audio packets between the browser process and the renderer
 // process.
@@ skipping 54 matching lines @@
   // The index of the audio buffer we're expecting to be sent from the renderer;
   // used to block with timeout for audio data.
   uint32 buffer_index_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioSyncReader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_