Incomplete changes to make scoped_ptr_malloc use plain functions.

media/filters/ffmpeg_audio_decoder.h

Index: media/filters/ffmpeg_audio_decoder.h
diff --git a/media/filters/ffmpeg_audio_decoder.h b/media/filters/ffmpeg_audio_decoder.h
index d0ad27f4ea63db78c2b612243f0295bd721fa457..c5fc59be76f96f3798c1e7fbd16707487e202569 100644
--- a/media/filters/ffmpeg_audio_decoder.h
+++ b/media/filters/ffmpeg_audio_decoder.h
@@ -13,7 +13,7 @@ struct AVCodecContext;
 namespace media {
 
 // Forward declaration for scoped_ptr_malloc.
-class ScopedPtrAVFree;
+void ScopedPtrAVFree(void*);
 
 class FFmpegAudioDecoder : public DecoderBase<AudioDecoder, Buffer> {
  public:
@@ -49,7 +49,7 @@ class FFmpegAudioDecoder : public DecoderBase<AudioDecoder, Buffer> {
 
   // Data buffer to carry decoded raw PCM samples. This buffer is created by
   // av_malloc() and is used throughout the lifetime of this class.
-  scoped_ptr_malloc<uint8, ScopedPtrAVFree> output_buffer_;
+  scoped_ptr_malloc<uint8, FreeFnAdapter<ScopedPtrAVFree> > output_buffer_;
 
   static const size_t kOutputBufferSize;