Fix JavaScript errors in options2

chrome/browser/resources/options2/certificate_tree.js

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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('options', function() {
   const Tree = cr.ui.Tree;
   const TreeItem = cr.ui.TreeItem;
 
   /**
    * Creates a new tree item for certificate data.
    * @param {Object=} data Data used to create a certificate tree item.
    * @constructor
    * @extends {TreeItem}
    */
   function CertificateTreeItem(data) {
     // TODO(mattm): other columns
     var treeItem = new TreeItem({
       label: data.name,
       data: data
     });
     treeItem.__proto__ = CertificateTreeItem.prototype;
 
     if (data.icon) {
       treeItem.icon = data.icon;
     }
 
     if (data.untrusted) {
       var badge = document.createElement('span');
       badge.setAttribute('class', 'certUntrusted');
-      badge.textContent = localStrings.getString("badgeCertUntrusted");
+      badge.textContent = localStrings.getString('badgeCertUntrusted');
       treeItem.labelElement.insertBefore(
           badge, treeItem.labelElement.firstChild);
     }
 
     return treeItem;
   }
 
   CertificateTreeItem.prototype = {
     __proto__: TreeItem.prototype,
 
@@ skipping 41 matching lines @@
       if (child.data && child.data.id)
         delete this.treeLookup_[child.data.id];
     },
 
     /**
      * Clears the tree.
      */
     clear: function() {
       // Remove all fields without recreating the object since other code
       // references it.
-      for (var id in this.treeLookup_){
+      for (var id in this.treeLookup_)
         delete this.treeLookup_[id];
-      }
       this.textContent = '';
     },
 
     /**
      * Populate the tree.
      * @param {Array} nodesData Nodes data array.
      */
     populate: function(nodesData) {
       this.clear();
 
@@ skipping 14 matching lines @@
 
       cr.dispatchSimpleEvent(this, 'change');
     },
   };
 
   return {
     CertificatesTree: CertificatesTree
   };
 });