Fix some JS style nits.

ui/webui/resources/js/cr.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.
 
 /**
  * The global object.
  * @type {!Object}
  * @const
  */
 var global = this;
@@ skipping 280 matching lines @@
   function addSingletonGetter(ctor) {
     ctor.getInstance = function() {
       return ctor.instance_ || (ctor.instance_ = new ctor());
     };
   }
 
   /**
    * Forwards public APIs to private implementations.
    * @param {Function} ctor Constructor that have private implementations in its
    *     prototype.
-   * @param {Array.<string>} methods List of public method names that have their
+   * @param {Array<string>} methods List of public method names that have their
    *     underscored counterparts in constructor's prototype.
    * @param {string=} opt_target Selector for target node.
    */
   function makePublic(ctor, methods, opt_target) {
     methods.forEach(function(method) {
       ctor[method] = function() {
         var target = opt_target ? document.getElementById(opt_target) :
                      ctor.getInstance();
         return target[method + '_'].apply(target, arguments);
       };
@@ skipping 36 matching lines @@
       return /Linux/.test(navigator.userAgent);
     },
 
     /** Whether this uses the views toolkit or not. */
     get isViews() {
       return typeof chrome.getVariableValue == 'function' &&
           /views/.test(chrome.getVariableValue('toolkit'));
     },
   };
 }();