Replace scoped_ptr with std::unique_ptr in //media/base.

media/base/demuxer.h

 // Copyright (c) 2012 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 MEDIA_BASE_DEMUXER_H_
 #define MEDIA_BASE_DEMUXER_H_
 
 #include <stdint.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "media/base/data_source.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/demuxer_stream_provider.h"
 #include "media/base/eme_constants.h"
 #include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/ranges.h"
 
 namespace media {
@@ skipping 31 matching lines @@
 
  protected:
   virtual ~DemuxerHost();
 };
 
 class MEDIA_EXPORT Demuxer : public DemuxerStreamProvider {
  public:
   // A new potentially encrypted stream has been parsed.
   // First parameter - The type of initialization data.
   // Second parameter - The initialization data associated with the stream.
-  typedef base::Callback<void(EmeInitDataType type,
-                              const std::vector<uint8_t>& init_data)>
-      EncryptedMediaInitDataCB;
+  using EncryptedMediaInitDataCB =
+      base::Callback<void(EmeInitDataType type,
+                          const std::vector<uint8_t>& init_data)>;
 
   // Notifies demuxer clients that media track configuration has been updated
   // (e.g. the inital stream metadata has been parsed successfully, or a new
   // init segment has been parsed successfully in MSE case).
-  typedef base::Callback<void(scoped_ptr<MediaTracks>)> MediaTracksUpdatedCB;
+  using MediaTracksUpdatedCB =
+      base::Callback<void(std::unique_ptr<MediaTracks>)>;
 
   Demuxer();
   ~Demuxer() override;
 
   // Returns the name of the demuxer for logging purpose.
   virtual std::string GetDisplayName() const = 0;
 
   // Completes initialization of the demuxer.
   //
   // The demuxer does not own |host| as it is guaranteed to outlive the
@@ skipping 51 matching lines @@
   // Returns the memory usage in bytes for the demuxer.
   virtual int64_t GetMemoryUsage() const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Demuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DEMUXER_H_