Convert //ash from scoped_ptr to std::unique_ptr

ash/shelf/shelf_item_delegate_manager.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 ASH_SHELF_SHELF_ITEM_DELEGATE_MANAGER_H_
 #define ASH_SHELF_SHELF_ITEM_DELEGATE_MANAGER_H_
 
 #include <map>
+#include <memory>
 
 #include "ash/ash_export.h"
 #include "ash/shelf/shelf_item_types.h"
 #include "ash/shelf/shelf_model_observer.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 
 namespace ash {
 class ShelfItemDelegate;
 class ShelfModel;
 
 namespace test {
 class ShelfItemDelegateManagerTestAPI;
 }
 
@@ skipping 18 matching lines @@
 class ASH_EXPORT ShelfItemDelegateManager : public ShelfModelObserver {
  public:
   explicit ShelfItemDelegateManager(ShelfModel* model);
   ~ShelfItemDelegateManager() override;
 
   void AddObserver(ShelfItemDelegateManagerObserver* observer);
   void RemoveObserver(ShelfItemDelegateManagerObserver* observer);
 
   // Set |item_delegate| for |id| and take an ownership.
   void SetShelfItemDelegate(ShelfID id,
-                            scoped_ptr<ShelfItemDelegate> item_delegate);
+                            std::unique_ptr<ShelfItemDelegate> item_delegate);
 
   // Returns ShelfItemDelegate for |item_type|. Always returns non-NULL.
   ShelfItemDelegate* GetShelfItemDelegate(ShelfID id);
 
   // ShelfModelObserver overrides:
   void ShelfItemAdded(int model_index) override;
   void ShelfItemRemoved(int index, ShelfID id) override;
   void ShelfItemMoved(int start_index, int targetindex) override;
   void ShelfItemChanged(int index, const ShelfItem& old_item) override;
 
@@ skipping 11 matching lines @@
   ShelfIDToItemDelegateMap id_to_item_delegate_map_;
 
   base::ObserverList<ShelfItemDelegateManagerObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfItemDelegateManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_ITEM_DELEGATE_MANAGER_H_