Fix closure compile

chrome/browser/resources/options/password_manager.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 Page = cr.ui.pageManager.Page;
   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
 
   /////////////////////////////////////////////////////////////////////////////
@@ skipping 269 matching lines @@
     },
 
     /**
      * @param {boolean} visible Whether the link should be visible.
      * @private
      */
     setManageAccountLinkVisibility_: function(visible) {
       $('manage-passwords-span').hidden = !visible;
     },
 
+    /** @private */
     showImportExportButton_: function() {
       $('password-manager-import').hidden = false;
       $('password-manager-export').hidden = false;
     },
   };
 
   /**
    * Removes a saved password.
    * @param {number} rowIndex indicating the row to remove.
    */
@@ skipping 22 matching lines @@
     'showImportExportButton',
     'showPassword',
   ]);
 
   // Export
   return {
     PasswordManager: PasswordManager
   };
 
 });