[Extensions] Convert APIs to use movable types [7]

chrome/common/extensions/api/notifications.idl

 // Copyright (c) 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.
 
 // Use the <code>chrome.notifications</code> API to create rich notifications
 // using templates and show these notifications to users in the system tray.
-namespace notifications {
+[use_movable_types=true] namespace notifications {
   [noinline_doc] enum TemplateType {
     // icon, title, message, expandedMessage, up to two buttons
     basic,
 
     // icon, title, message, expandedMessage, image, up to two buttons
     image,
 
     // icon, title, message, items, up to two buttons
     list,
 
@@ skipping 169 matching lines @@
 
     // The user changes the permission level.  As of Chrome 47, only ChromeOS
     // has UI that dispatches this event.
     static void onPermissionLevelChanged(PermissionLevel level);
 
     // The user clicked on a link for the app's notification settings.  As of
     // Chrome 47, only ChromeOS has UI that dispatches this event.
     static void onShowSettings();
   };
 };