Convert //ash from scoped_ptr to std::unique_ptr

ash/shelf/shelf_window_watcher.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/shelf/shelf_window_watcher.h"
 
+#include <memory>
 #include <utility>
 
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_item_delegate_manager.h"
 #include "ash/shelf/shelf_model.h"
 #include "ash/shelf/shelf_util.h"
 #include "ash/shelf/shelf_window_watcher_item_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/aura/window.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/screen.h"
 #include "ui/wm/public/activation_client.h"
 
 namespace {
 
 // Sets ShelfItem property by using the value of |details|.
 void SetShelfItemDetailsForShelfItem(ash::ShelfItem* item,
@@ skipping 98 matching lines @@
 }
 
 void ShelfWindowWatcher::AddShelfItem(aura::Window* window) {
   const ShelfItemDetails* item_details =
       GetShelfItemDetailsForWindow(window);
   ShelfItem item;
   ShelfID id = model_->next_id();
   item.status = wm::IsActiveWindow(window) ? STATUS_ACTIVE: STATUS_RUNNING;
   SetShelfItemDetailsForShelfItem(&item, *item_details);
   SetShelfIDForWindow(id, window);
-  scoped_ptr<ShelfItemDelegate> item_delegate(
+  std::unique_ptr<ShelfItemDelegate> item_delegate(
       new ShelfWindowWatcherItemDelegate(window));
   // |item_delegate| is owned by |item_delegate_manager_|.
   item_delegate_manager_->SetShelfItemDelegate(id, std::move(item_delegate));
   model_->Add(item);
 }
 
 void ShelfWindowWatcher::RemoveShelfItem(aura::Window* window) {
   model_->RemoveItemAt(model_->ItemIndexByID(GetShelfIDForWindow(window)));
   SetShelfIDForWindow(kInvalidShelfID, window);
 }
@@ skipping 136 matching lines @@
   // Instead, we remove an observer from RootWindow and ActivationClient in the
   // OnRootWindowDestroyed().
   // Do nothing here.
 }
 
 void ShelfWindowWatcher::OnDisplayMetricsChanged(const gfx::Display&,
                                                  uint32_t) {
 }
 
 }  // namespace ash