Make sure to use scoped_refptr for refcounted params in audio/video/remoting

media/filters/ffmpeg_video_decoder.cc

Index: media/filters/ffmpeg_video_decoder.cc
diff --git a/media/filters/ffmpeg_video_decoder.cc b/media/filters/ffmpeg_video_decoder.cc
index c79f679ab89f8ecc1232226bf08ad974bd12de26..73deb744c776eff42d5fc9ba981c3de8254ee373 100644
--- a/media/filters/ffmpeg_video_decoder.cc
+++ b/media/filters/ffmpeg_video_decoder.cc
@@ -36,11 +36,12 @@ FFmpegVideoDecoder::~FFmpegVideoDecoder() {
 void FFmpegVideoDecoder::Initialize(DemuxerStream* demuxer_stream,
                                     FilterCallback* callback) {
   if (MessageLoop::current() != message_loop()) {
-    message_loop()->PostTask(FROM_HERE,
-                             NewRunnableMethod(this,
-                                               &FFmpegVideoDecoder::Initialize,
-                                               demuxer_stream,
-                                               callback));
+    message_loop()->PostTask(
+        FROM_HERE,
+        NewRunnableMethod(this,
+                          &FFmpegVideoDecoder::Initialize,
+                          make_scoped_refptr(demuxer_stream),
+                          callback));
     return;
   }