Remove reference counting from media::VideoDecoder and friends.

media/filters/ffmpeg_video_decoder_unittest.cc

Index: media/filters/ffmpeg_video_decoder_unittest.cc
diff --git a/media/filters/ffmpeg_video_decoder_unittest.cc b/media/filters/ffmpeg_video_decoder_unittest.cc
index 001b538b6cdafd3d8cd7c40ad6bdc3248184a2f3..92f9decdb9b6113e2e518a5f09bdfb0e1338072f 100644
--- a/media/filters/ffmpeg_video_decoder_unittest.cc
+++ b/media/filters/ffmpeg_video_decoder_unittest.cc
@@ -50,14 +50,12 @@ ACTION_P(ReturnBuffer, buffer) {
 class FFmpegVideoDecoderTest : public testing::Test {
  public:
   FFmpegVideoDecoderTest()
-      : decoder_(NULL),
+      : decoder_(new FFmpegVideoDecoder(message_loop_.message_loop_proxy())),
         demuxer_(new StrictMock<MockDemuxerStream>()),
         read_cb_(base::Bind(&FFmpegVideoDecoderTest::FrameReady,
                             base::Unretained(this))) {
     FFmpegGlue::InitializeFFmpeg();
 
-    decoder_ = new FFmpegVideoDecoder(message_loop_.message_loop_proxy());
-
     // Initialize various test buffers.
     frame_buffer_.reset(new uint8[kCodedSize.GetArea()]);
     end_of_stream_buffer_ = DecoderBuffer::CreateEOSBuffer();
@@ -201,7 +199,7 @@ class FFmpegVideoDecoderTest : public testing::Test {
                                 const scoped_refptr<VideoFrame>&));
 
   MessageLoop message_loop_;
-  scoped_refptr<FFmpegVideoDecoder> decoder_;
+  scoped_ptr<FFmpegVideoDecoder> decoder_;
   scoped_refptr<StrictMock<MockDemuxerStream> > demuxer_;
   MockStatisticsCB statistics_cb_;
   VideoDecoderConfig config_;