Fix the extension activity log UI.

chrome/browser/resources/extensions/extension_activity.js

 // 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.
 
 cr.define('extension_activity', function() {
   'use strict';
 
   function initialize() {
-    i18nTemplate.process(document, templateData);
-
     var params = parseQueryParams(location);
     if (params.extensionId)
       chrome.send('requestExtensionData', [params.extensionId]);
   }
 
   function handleExtensionData(result) {
     var extension = result.extension;
 
     var item = document.querySelector('.extension-list-item');
     item.style.backgroundImage = 'url(' + extension.icon + ')';
@@ skipping 19 matching lines @@
     $('extension-activity-list').appendChild(item);
   }
 
   return {
     initialize: initialize,
     handleExtensionData: handleExtensionData,
     handleExtensionActivity: handleExtensionActivity
   };
 });
 
-document.addEventListener('DOMContentLoaded', extension_activity.initialize);
+window.addEventListener('load', extension_activity.initialize);