Convert //ash from scoped_ptr to std::unique_ptr

ash/mus/shelf_delegate_mus.cc

 // Copyright 2016 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/mus/shelf_delegate_mus.h"
 
+#include <memory>
+
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_item_delegate.h"
 #include "ash/shelf/shelf_item_delegate_manager.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_model.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "base/strings/string_util.h"
 #include "components/mus/public/cpp/property_type_converters.h"
 #include "components/mus/public/cpp/window.h"
@@ skipping 162 matching lines @@
   item.status = user_window->window_has_focus ? STATUS_ACTIVE : STATUS_RUNNING;
   item.image = GetShelfIconFromBitmap(user_window->window_app_icon);
 
   ShelfID shelf_id = model_->next_id();
   window_id_to_shelf_id_.insert(
       std::make_pair(user_window->window_id, shelf_id));
   model_->Add(item);
 
   ShelfItemDelegateManager* manager =
       Shell::GetInstance()->shelf_item_delegate_manager();
-  scoped_ptr<ShelfItemDelegate> delegate(new ShelfItemDelegateMus(
+  std::unique_ptr<ShelfItemDelegate> delegate(new ShelfItemDelegateMus(
       user_window->window_id, user_window->window_title.To<base::string16>(),
       user_window_controller_.get()));
   manager->SetShelfItemDelegate(shelf_id, std::move(delegate));
 }
 
 void ShelfDelegateMus::OnUserWindowRemoved(uint32_t window_id) {
   DCHECK(window_id_to_shelf_id_.count(window_id));
   model_->RemoveItemAt(
       model_->ItemIndexByID(window_id_to_shelf_id_[window_id]));
 }
@@ skipping 44 matching lines @@
   DCHECK_GE(index, 0);
   ShelfItems::const_iterator iter = model_->ItemByID(shelf_id);
   DCHECK(iter != model_->items().end());
   ShelfItem item = *iter;
   item.status = has_focus ? STATUS_ACTIVE : STATUS_RUNNING;
   model_->Set(index, item);
 }
 
 }  // namespace sysui
 }  // namespace ash