Convert //ash from scoped_ptr to std::unique_ptr

ash/shell/window_type_launcher.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 ASH_SHELL_WINDOW_TYPE_LAUNCHER_H_
 #define ASH_SHELL_WINDOW_TYPE_LAUNCHER_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/menu/menu_delegate.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace views {
 class MenuRunner;
 class LabelButton;
 }
@@ skipping 47 matching lines @@
   views::LabelButton* bubble_button_;
   views::LabelButton* lock_button_;
   views::LabelButton* widgets_button_;
   views::LabelButton* system_modal_button_;
   views::LabelButton* window_modal_button_;
   views::LabelButton* child_modal_button_;
   views::LabelButton* transient_button_;
   views::LabelButton* examples_button_;
   views::LabelButton* show_hide_window_button_;
   views::LabelButton* show_web_notification_;
-  scoped_ptr<views::MenuRunner> menu_runner_;
+  std::unique_ptr<views::MenuRunner> menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTypeLauncher);
 };
 
 }  // namespace shell
 }  // namespace ash
 
 #endif  // ASH_SHELL_WINDOW_TYPE_LAUNCHER_H_