Convert //ash from scoped_ptr to std::unique_ptr

ash/shell/window_type_launcher.cc

 // 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.
 
 #include "ash/shell/window_type_launcher.h"
 
 #include <utility>
 
 #include "ash/content/shell_content_state.h"
 #include "ash/root_window_controller.h"
@@ skipping 294 matching lines @@
     ModalWindow::OpenModalWindow(GetWidget()->GetNativeView(),
                                  ui::MODAL_TYPE_WINDOW);
   } else if (sender == child_modal_button_) {
     ash::test::CreateChildModalParent(
         GetWidget()->GetNativeView()->GetRootWindow());
   } else if (sender == transient_button_) {
     NonModalTransient::OpenNonModalTransient(GetWidget()->GetNativeView());
   } else if (sender == show_hide_window_button_) {
     NonModalTransient::ToggleNonModalTransient(GetWidget()->GetNativeView());
   } else if (sender == show_web_notification_) {
-    scoped_ptr<message_center::Notification> notification;
+    std::unique_ptr<message_center::Notification> notification;
     notification.reset(new message_center::Notification(
         message_center::NOTIFICATION_TYPE_SIMPLE, "id0",
         base::ASCIIToUTF16("Test Shell Web Notification"),
         base::ASCIIToUTF16("Notification message body."), gfx::Image(),
         base::ASCIIToUTF16("www.testshell.org"), GURL(),
         message_center::NotifierId(message_center::NotifierId::APPLICATION,
                                    "test-id"),
         message_center::RichNotificationData(), NULL /* delegate */));
 
     ash::Shell::GetPrimaryRootWindowController()
@@ skipping 40 matching lines @@
                               NULL,
                               gfx::Rect(point, gfx::Size()),
                               views::MENU_ANCHOR_TOPLEFT,
                               source_type) == MenuRunner::MENU_DELETED) {
     return;
   }
 }
 
 }  // namespace shell
 }  // namespace ash