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

media/cast/receiver/video_decoder_unittest.cc

Index: media/cast/receiver/video_decoder_unittest.cc
diff --git a/media/cast/receiver/video_decoder_unittest.cc b/media/cast/receiver/video_decoder_unittest.cc
index c92630f0b8f6e207807a75f84991fb9dc19af41a..8593c417392445e08497e66f05ddf060fd0244b7 100644
--- a/media/cast/receiver/video_decoder_unittest.cc
+++ b/media/cast/receiver/video_decoder_unittest.cc
@@ -86,7 +86,7 @@ class VideoDecoderTest : public ::testing::TestWithParam<Codec> {
     PopulateVideoFrame(video_frame.get(), 0);
 
     // Encode |frame| into |encoded_frame->data|.
-    scoped_ptr<SenderEncodedFrame> encoded_frame(new SenderEncodedFrame());
+    std::unique_ptr<SenderEncodedFrame> encoded_frame(new SenderEncodedFrame());
     // Test only supports VP8, currently.
     CHECK_EQ(CODEC_VIDEO_VP8, GetParam());
     vp8_encoder_.Encode(video_frame, reference_time, encoded_frame.get());
@@ -152,7 +152,7 @@ class VideoDecoderTest : public ::testing::TestWithParam<Codec> {
   }
 
   const scoped_refptr<StandaloneCastEnvironment> cast_environment_;
-  scoped_ptr<VideoDecoder> video_decoder_;
+  std::unique_ptr<VideoDecoder> video_decoder_;
   gfx::Size next_frame_size_;
   base::TimeDelta next_frame_timestamp_;
   uint32_t last_frame_id_;