Convert media/formats to std::unique_ptr

media/formats/mp2t/es_parser_mpeg1audio.h

Index: media/formats/mp2t/es_parser_mpeg1audio.h
diff --git a/media/formats/mp2t/es_parser_mpeg1audio.h b/media/formats/mp2t/es_parser_mpeg1audio.h
index 304b5c38e7dc5993257bcddccf849fd9cf1d352d..d26887c1824c888d70d4a1c0ab8f2b6f230f3855 100644
--- a/media/formats/mp2t/es_parser_mpeg1audio.h
+++ b/media/formats/mp2t/es_parser_mpeg1audio.h
@@ -8,12 +8,12 @@
 #include <stdint.h>
 
 #include <list>
+#include <memory>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/media_export.h"
@@ -77,7 +77,7 @@ class MEDIA_EXPORT EsParserMpeg1Audio : public EsParser {
   EmitBufferCB emit_buffer_cb_;
 
   // Interpolated PTS for frames that don't have one.
-  scoped_ptr<AudioTimestampHelper> audio_timestamp_helper_;
+  std::unique_ptr<AudioTimestampHelper> audio_timestamp_helper_;
 
   // Last audio config.
   AudioDecoderConfig last_audio_decoder_config_;