MD Settings: Adding C++ support for editing startup URLs.

chrome/browser/resources/settings/on_startup_page/startup_urls_page.js

 // Copyright 2015 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.
 
 /**
- * @typedef {{
- *   'title': string,
- *   'tooltip': string,
- *   'url': string
- * }}
- */
-var StartupPageInfo;
-
-/**
  * @fileoverview 'settings-startup-urls-page' is the settings page
  * containing the urls that will be opened when chrome is started.
  */
+
+/**
+ * @typedef {{
+ *   title: string,
+ *   tooltip: string,
+ *   url: string
+ * }}
+ */
+var StartupPageInfo;
+
 Polymer({
   is: 'settings-startup-urls-page',
 
   behaviors: [WebUIListenerBehavior],
 
   properties: {
     /** @type {settings.StartupUrlsPageBrowserProxy} */
     browserProxy_: Object,
 
     /**
@@ skipping 45 matching lines @@
   },
 
   /**
    * @param {!{model: !{index: number}}} e
    * @private
    */
   onRemoveUrlTap_: function(e) {
     this.browserProxy_.removeStartupPage(e.model.index);
   },
 });