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

chrome/browser/resources/extensions/extension_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.
 
 <include src="extension_error.js">
 
 /**
  * The type of the extension data object. The definition is based on
  * chrome/browser/ui/webui/extensions/extension_basic_info.cc
  * and
@@ skipping 85 matching lines @@
 
     /**
      * Indicates whether an embedded options page that was navigated to through
      * the '?options=' URL query has been shown to the user. This is necessary
      * to prevent showExtensionNodes_ from opening the options more than once.
      * @type {boolean}
      * @private
      */
     optionsShown_: false,
 
-    /** @override */
     decorate: function() {
       this.textContent = '';
 
       this.showExtensionNodes_();
     },
 
     getIdQueryParam_: function() {
       return parseQueryParams(document.location)['id'];
     },
 
@@ skipping 246 matching lines @@
                                      extension.suspiciousInstall ||
                                      extension.corruptInstall ||
                                      extension.updateRequiredByPolicy ||
                                      extension.dependentExtensions.length > 0;
         enable.querySelector('input').disabled = enableCheckboxDisabled;
 
         if (extension.managedInstall) {
           var indicator = new cr.ui.ControlledIndicator();
           indicator.classList.add('controlled-extension-indicator');
           indicator.setAttribute('controlled-by', 'policy');
-          indicator.setAttribute('textpolicy', extension.policyText);
+          indicator.setAttribute('textpolicy', extension.policyText || '');
           node.querySelector('.enable-controls').appendChild(indicator);
         }
 
         if (!enableCheckboxDisabled) {
           enable.addEventListener('click', function(e) {
             // When e.target is the label instead of the checkbox, it doesn't
             // have the checked property and the state of the checkbox is
             // left unchanged.
             var checked = e.target.checked;
             if (checked == undefined)
@@ skipping 195 matching lines @@
       $('overlay').addEventListener('cancelOverlay', function() {
         this.optionsShown_ = false;
       }.bind(this));
     },
   };
 
   return {
     ExtensionsList: ExtensionsList
   };
 });