Provide a Chrome-owned buffer to FFmpeg for video decoding, instead of

media/filters/ffmpeg_video_decoder.h

Index: media/filters/ffmpeg_video_decoder.h
===================================================================
--- media/filters/ffmpeg_video_decoder.h	(revision 139175)
+++ media/filters/ffmpeg_video_decoder.h	(working copy)
@@ -34,6 +34,9 @@
 
   AesDecryptor* decryptor();
 
+  // called from within ffmpeg

[Ami GONE FROM CHROMIUM, 2012/05/26 22:52:34]

Comments need to be complete English sentences, starting w/ capital, ending with
period. 
More importantly, this should document what the return value means, and what the
method does.
I suspect a pointer to the interface this satisfies is in order.

+  int GetVideoBuffer(AVFrame *frame);
+
  protected:
   virtual ~FFmpegVideoDecoder();
 
@@ -54,6 +57,7 @@
 
   // Carries out the decoding operation scheduled by DecodeBuffer().
   void DoDecodeBuffer(const scoped_refptr<Buffer>& buffer);
+  int AllocBuffer(VideoFrame **ptr);
   bool Decode(const scoped_refptr<Buffer>& buffer,
               scoped_refptr<VideoFrame>* video_frame);