Convert //chrome from scoped_ptr to std::unique_ptr

chrome/utility/media_galleries/media_metadata_parser.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_UTILITY_MEDIA_GALLERIES_MEDIA_METADATA_PARSER_H_
 #define CHROME_UTILITY_MEDIA_GALLERIES_MEDIA_METADATA_PARSER_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/common/extensions/api/media_galleries.h"
 #include "chrome/common/media_galleries/metadata_types.h"
 
 namespace base {
 class Thread;
 }
 
 namespace media {
 class DataSource;
 }
@@ skipping 27 matching lines @@
   media::DataSource* const source_;
 
   const std::string mime_type_;
 
   bool get_attached_images_;
 
   // Thread that blocking media parsing operations run on while the main thread
   // handles messages from the browser process.
   // TODO(tommycli): Replace with a reference to a WorkerPool if we ever use
   // this class in batch mode.
-  scoped_ptr<base::Thread> media_thread_;
+  std::unique_ptr<base::Thread> media_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaMetadataParser);
 };
 
 }  // namespace metadata
 
 #endif  // CHROME_UTILITY_MEDIA_GALLERIES_MEDIA_METADATA_PARSER_H_