Add on_startup_page/compiled_resources.gyp

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.
 
 /**
  * @fileoverview 'cr-settings-startup-urls-page' is the settings page
  * containing the urls that will be opened when chrome is started.
  *
  * Example:
  *
@@ skipping 38 matching lines @@
   onCancelTap_: function() {
     this.set('prefs.session.startup_urls.value', this.savedUrlList.slice());
   },
 
   /** @private */
   onOkTap_: function() {
     var value = this.newUrl && this.newUrl.trim();
     if (!value)
       return;
     this.push('prefs.session.startup_urls.value', value);
-    this.newUrl = undefined;
+    this.newUrl = '';
   },
 
-  /** @private */
+  /**
+   * @param {!{model: !{index: number}}} e
+   * @private
+   */
   onRemoveUrlTap_: function(e) {
     this.splice('prefs.session.startup_urls.value', e.model.index, 1);
   },
 });