Unframe chrome://extensions as it's the last (and only) uber item

chrome/browser/resources/policy.js

 // 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.
 cr.define('policy', function() {
 
   /**
    * A hack to check if we are displaying the mobile version of this page by
    * checking if the first column is hidden.
    * @return {boolean} True if this is the mobile version.
    */
@@ skipping 410 matching lines @@
    */
   Page.reloadPoliciesDone = function() {
     this.getInstance().reloadPoliciesDone();
   };
 
   Page.prototype = {
     /**
      * Main initialization function. Called by the browser on page load.
      */
     initialize: function() {
-      uber.onContentFrameLoaded();
       cr.ui.FocusOutlineManager.forDocument(document);
 
       this.mainSection = $('main-section');
       this.policyTables = {};
 
       // Place the initial focus on the filter input field.
       $('filter').focus();
 
       var self = this;
       $('filter').onsearch = function(event) {
@@ skipping 130 matching lines @@
   return {
     Page: Page
   };
 });
 
 // Have the main initialization function be called when the page finishes
 // loading.
 document.addEventListener(
     'DOMContentLoaded',
     policy.Page.getInstance().initialize.bind(policy.Page.getInstance()));