Convert //ash from scoped_ptr to std::unique_ptr

ash/test/test_shelf_delegate.cc

 // 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.
 
 #include "ash/test/test_shelf_delegate.h"
 
 #include <utility>
 
 #include "ash/shelf/shelf_item_delegate_manager.h"
 #include "ash/shelf/shelf_model.h"
@@ skipping 37 matching lines @@
   else
     item.type = TYPE_PLATFORM_APP;
   ShelfID id = model_->next_id();
   item.status = status;
   model_->Add(item);
   window->AddObserver(this);
 
   ShelfItemDelegateManager* manager =
       Shell::GetInstance()->shelf_item_delegate_manager();
   // |manager| owns TestShelfItemDelegate.
-  scoped_ptr<ShelfItemDelegate> delegate(new TestShelfItemDelegate(window));
+  std::unique_ptr<ShelfItemDelegate> delegate(
+      new TestShelfItemDelegate(window));
   manager->SetShelfItemDelegate(id, std::move(delegate));
   SetShelfIDForWindow(id, window);
 }
 
 void TestShelfDelegate::RemoveShelfItemForWindow(aura::Window* window) {
   ShelfID shelf_id = GetShelfIDForWindow(window);
   if (shelf_id == 0)
     return;
   int index = model_->ItemIndexByID(shelf_id);
   DCHECK_NE(-1, index);
@@ skipping 62 matching lines @@
                                                  const std::string& app_id) {
   shelf_id_to_app_id_map_[shelf_id] = app_id;
 }
 
 void TestShelfDelegate::RemoveShelfIDToAppIDMapping(ShelfID shelf_id) {
   shelf_id_to_app_id_map_.erase(shelf_id);
 }
 
 }  // namespace test
 }  // namespace ash