Take advantage of the new Pass() machinery on scoped_ptr{,_malloc}.

media/filters/ffmpeg_demuxer.h

Index: media/filters/ffmpeg_demuxer.h
diff --git a/media/filters/ffmpeg_demuxer.h b/media/filters/ffmpeg_demuxer.h
index 5db09b33e108797153e6eb725971476aa396dc25..89afe01ab0f5e2dac7ddb188728c27c1c51f24b0 100644
--- a/media/filters/ffmpeg_demuxer.h
+++ b/media/filters/ffmpeg_demuxer.h
@@ -40,6 +40,7 @@ struct AVFormatContext;
 struct AVPacket;
 struct AVRational;
 struct AVStream;
+class ScopedPtrAVFreePacket;
 
 namespace media {
 
@@ -57,8 +58,8 @@ class FFmpegDemuxerStream : public DemuxerStream {
   // Safe to call on any thread.
   bool HasPendingReads();
 
-  // Enqueues and takes ownership over the given AVPacket.
-  void EnqueuePacket(AVPacket* packet);
+  // Enqueues the given AVPacket.
+  void EnqueuePacket(scoped_ptr_malloc<AVPacket, ScopedPtrAVFreePacket> packet);
 
   // Signals to empty the buffer queue and mark next packet as discontinuous.
   void FlushBuffers();