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

chrome/browser/resources/extensions/extension_error.js

 // Copyright 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('extensions', function() {
   'use strict';
 
   /**
    * Clone a template within the extension error template collection.
    * @param {string} templateName The class name of the template to clone.
@@ skipping 26 matching lines @@
     div.__proto__ = ExtensionError.prototype;
     div.decorate(error);
     return div;
   }
 
   ExtensionError.prototype = {
     __proto__: HTMLDivElement.prototype,
 
     /**
      * @param {RuntimeError} error
-     * @override
      */
     decorate: function(error) {
       // Add an additional class for the severity level.
       if (error.level == 0)
         this.classList.add('extension-error-severity-info');
       else if (error.level == 1)
         this.classList.add('extension-error-severity-warning');
       else
         this.classList.add('extension-error-severity-fatal');
 
@@ skipping 44 matching lines @@
   /**
    * @private
    * @const
    * @type {number}
    */
   ExtensionErrorList.MAX_ERRORS_TO_SHOW_ = 3;
 
   ExtensionErrorList.prototype = {
     __proto__: HTMLDivElement.prototype,
 
-    /** @override */
     decorate: function() {
       this.contents_ = this.querySelector('.extension-error-list-contents');
       this.errors_.forEach(function(error) {
         if (idIsValid(error.extensionId)) {
           this.contents_.appendChild(document.createElement('li')).appendChild(
               new ExtensionError(error));
         }
       }, this);
 
       var numShowing = this.contents_.children.length;
@@ skipping 40 matching lines @@
           listContents.classList.add('deactivating');
         }
       }.bind(this));
     }
   };
 
   return {
     ExtensionErrorList: ExtensionErrorList
   };
 });