Hacking ffvp9 decoder support for profiling.

media/filters/ffmpeg_video_decoder.h

Index: media/filters/ffmpeg_video_decoder.h
diff --git a/media/filters/ffmpeg_video_decoder.h b/media/filters/ffmpeg_video_decoder.h
index 30c81346451aba58616f37b9ca41baa8ff78f71d..aa34cbaded846239315a255d539c4fcd537fa0a6 100644
--- a/media/filters/ffmpeg_video_decoder.h
+++ b/media/filters/ffmpeg_video_decoder.h
@@ -17,6 +17,7 @@
 #include "media/ffmpeg/ffmpeg_deleters.h"
 
 struct AVCodecContext;
+struct AVCodecParserContext;
 struct AVFrame;
 
 namespace base {
@@ -92,6 +93,9 @@ class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder {
 
   bool decode_nalus_;
 
+  scoped_ptr<AVCodecParserContext, ScopedPtrAVFreeParserContext>
+      parser_context_;
+
   DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder);
 };