options: fix content settings exceptions dialog regression.

chrome/browser/resources/options/handler_options_list.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('options', function() {
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
   /** @const */ var List = cr.ui.List;
   /** @const */ var ListItem = cr.ui.ListItem;
-  /** @const */ var HandlerOptions = options.HandlerOptions;
   /** @const */ var DeletableItem = options.DeletableItem;
   /** @const */ var DeletableItemList = options.DeletableItemList;
 
   /**
    * Creates a new ignored protocol / content handler list item.
    *
    * Accepts values in the form
    *   ['mailto', 'http://www.thesite.com/%s', 'The title of the protocol'],
    * @param {Object} entry A dictionary describing the handlers for a given
    *     protocol.
@@ skipping 141 matching lines @@
         delegate.removeHandler(value, data.handlers[value]);
       });
       removeElement.className = 'handlers-remove-column handlers-remove-link';
       this.appendChild(removeElement);
     },
 
     /** @override */
     decorate: function() {
       ListItem.prototype.decorate.call(this);
 
-      var self = this;
       var delegate = {
         removeHandler: function(index, handler) {
           chrome.send('removeHandler', [handler]);
         },
         setDefault: function(handler) {
           chrome.send('setDefault', [handler]);
         },
         clearDefault: function(protocol) {
           chrome.send('clearDefault', [protocol]);
         },
@@ skipping 36 matching lines @@
     },
   };
 
   return {
     IgnoredHandlersListItem: IgnoredHandlersListItem,
     IgnoredHandlersList: IgnoredHandlersList,
     HandlerListItem: HandlerListItem,
     HandlersList: HandlersList,
   };
 });