Convert media/formats to std::unique_ptr

media/formats/mp4/mp4_stream_parser.cc

Index: media/formats/mp4/mp4_stream_parser.cc
diff --git a/media/formats/mp4/mp4_stream_parser.cc b/media/formats/mp4/mp4_stream_parser.cc
index 49acc874863e6a0720061535600b5f271e3e9ed3..d248bad35656937158f6bd57f6499791abc27f4b 100644
--- a/media/formats/mp4/mp4_stream_parser.cc
+++ b/media/formats/mp4/mp4_stream_parser.cc
@@ -5,7 +5,9 @@
 #include "media/formats/mp4/mp4_stream_parser.h"
 
 #include <stddef.h>
+
 #include <limits>
+#include <memory>
 #include <utility>
 #include <vector>
 
@@ -152,7 +154,7 @@ bool MP4StreamParser::ParseBox(bool* err) {
   queue_.Peek(&buf, &size);
   if (!size) return false;
 
-  scoped_ptr<BoxReader> reader(
+  std::unique_ptr<BoxReader> reader(
       BoxReader::ReadTopLevelBox(buf, size, media_log_, err));
   if (reader.get() == NULL) return false;
 
@@ -189,7 +191,7 @@ bool MP4StreamParser::ParseMoov(BoxReader* reader) {
   has_audio_ = false;
   has_video_ = false;
 
-  scoped_ptr<MediaTracks> media_tracks(new MediaTracks());
+  std::unique_ptr<MediaTracks> media_tracks(new MediaTracks());
   AudioDecoderConfig audio_config;
   VideoDecoderConfig video_config;
   int detected_audio_track_count = 0;
@@ -534,7 +536,7 @@ bool MP4StreamParser::EnqueueSample(BufferQueue* audio_buffers,
   queue_.PeekAt(runs_->sample_offset() + moof_head_, &buf, &buf_size);
   if (buf_size < runs_->sample_size()) return false;
 
-  scoped_ptr<DecryptConfig> decrypt_config;
+  std::unique_ptr<DecryptConfig> decrypt_config;
   std::vector<SubsampleEntry> subsamples;
   if (runs_->is_encrypted()) {
     decrypt_config = runs_->GetDecryptConfig();