Fix some closure compilation issues 8n order to update compiler.jar

chrome/browser/resources/options/deletable_item_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 List = cr.ui.List;
   /** @const */ var ListItem = cr.ui.ListItem;
 
   /**
    * Creates a deletable list item, which has a button that will trigger a call
@@ skipping 134 matching lines @@
     /** @override */
     decorate: function() {
       List.prototype.decorate.call(this);
       this.addEventListener('click', this.handleClick);
       this.addEventListener('keydown', this.handleKeyDown_);
     },
 
     /**
      * Callback for onclick events.
      * @param {Event} e The click event object.
-     * @override
+     * @protected
      */
     handleClick: function(e) {
       if (this.disabled)
         return;
 
       var target = e.target;
       if (target.classList.contains('row-delete-button')) {
         var listItem = this.getListItemAncestor(
             /** @type {HTMLElement} */(target));
         var idx = this.getIndexOfListItem(listItem);
@@ skipping 39 matching lines @@
      */
     deleteItemAtIndex: function(index) {
     },
   };
 
   return {
     DeletableItemList: DeletableItemList,
     DeletableItem: DeletableItem,
   };
 });