Convert //media/filters from scoped_ptr to std::unique_ptr

media/filters/video_frame_stream_unittest.cc

Index: media/filters/video_frame_stream_unittest.cc
diff --git a/media/filters/video_frame_stream_unittest.cc b/media/filters/video_frame_stream_unittest.cc
index 247b25eacc6a3f5b190536b5b5bb3b15b016f737..5cd46288bbadbddf8d621be6fb53841040446eab 100644
--- a/media/filters/video_frame_stream_unittest.cc
+++ b/media/filters/video_frame_stream_unittest.cc
@@ -353,13 +353,13 @@ class VideoFrameStreamTest
 
   base::MessageLoop message_loop_;
 
-  scoped_ptr<VideoFrameStream> video_frame_stream_;
-  scoped_ptr<FakeDemuxerStream> demuxer_stream_;
-  scoped_ptr<StrictMock<MockCdmContext>> cdm_context_;
+  std::unique_ptr<VideoFrameStream> video_frame_stream_;
+  std::unique_ptr<FakeDemuxerStream> demuxer_stream_;
+  std::unique_ptr<StrictMock<MockCdmContext>> cdm_context_;
 
   // Use NiceMock since we don't care about most of calls on the decryptor,
   // e.g. RegisterNewKeyCB().
-  scoped_ptr<NiceMock<MockDecryptor>> decryptor_;
+  std::unique_ptr<NiceMock<MockDecryptor>> decryptor_;
 
   // Three decoders are needed to test that decoder fallback can occur more than
   // once on a config change. They are owned by |video_frame_stream_|.