options: Remove a bunch of useless:

chrome/browser/resources/options/certificate_backup_overlay.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 OptionsPage = options.OptionsPage;
 
   /**
    * CertificateBackupOverlay class
    * Encapsulated handling of the 'enter backup password' overlay page.
    * @class
    */
   function CertificateBackupOverlay() {
     OptionsPage.call(this, 'certificateBackupOverlay',
                      '',
                      'certificateBackupOverlay');
   }
 
   cr.addSingletonGetter(CertificateBackupOverlay);
 
   CertificateBackupOverlay.prototype = {
     __proto__: OptionsPage.prototype,
 
-    /**
-     * Initializes the page.
-     */
+    /** @override */
     initializePage: function() {
       OptionsPage.prototype.initializePage.call(this);
 
       var self = this;
       $('certificateBackupCancelButton').onclick = function(event) {
         self.cancelBackup_();
       };
       $('certificateBackupOkButton').onclick = function(event) {
         self.finishBackup_();
       };
@@ skipping 71 matching lines @@
 
   CertificateBackupOverlay.dismiss = function() {
     CertificateBackupOverlay.getInstance().dismissOverlay_();
   };
 
   // Export
   return {
     CertificateBackupOverlay: CertificateBackupOverlay
   };
 });