Fix some JS style nits.

chrome/test/data/webui/mock_controller.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.
 
 /**
  * Create a mock function that records function calls and validates against
  * expectations.
  * @constructor.
  */
 function MockMethod() {
@@ skipping 10 matching lines @@
     fn.recordCall(args);
     if (callbacks.length == 1) {
       callbacks[0].apply(undefined, fn.callbackData);
       return;
     }
     return fn.returnValue;
   };
 
   /**
    * List of signatures for fucntion calls.
-   * @type {!Array.<!Array>}
+   * @type {!Array<!Array>}
    * @private
    */
   fn.calls_ = [];
 
   /**
    * List of expected call signatures.
-   * @type {!Array.<!Array>}
+   * @type {!Array<!Array>}
    * @private
    */
   fn.expectations_ = [];
 
   /**
    * Value returned from call to function.
    * @type {*}
    */
   fn.returnValue = undefined;
 
   /**
    * List of arguments for callback function.
-   * @type {!Array.<!Array>}
+   * @type {!Array<!Array>}
    */
   fn.callbackData = [];
 
   fn.__proto__ = MockMethod.prototype;
   return fn;
 }
 
 MockMethod.prototype = {
   /**
    * Adds an expected call signature.
@@ skipping 53 matching lines @@
 
 /**
  * Controller for mocking methods. Tracks calls to mocked methods and verifies
  * that call signatures match expectations.
  * @constructor.
  */
 function MockController() {
   /**
    * Original functions implementations, which are restored when |reset| is
    * called.
-   * @type {!Array.<!Object>}
+   * @type {!Array<!Object>}
    * @private
    */
   this.overrides_ = [];
 
   /**
    * List of registered mocks.
-   * @type {!Array.<!MockMethod>}
+   * @type {!Array<!MockMethod>}
    * @private
    */
   this.mocks_ = [];
 }
 
 MockController.prototype = {
   /**
    * Creates a mock function.
    * @param {Object=} opt_parent Optional parent object for the function.
    * @param {string=} opt_functionName Optional name of the function being
@@ skipping 33 matching lines @@
    * Discard mocks reestoring default behavior.
    */
   reset: function() {
     for (var i = 0; i < this.overrides_.length; i++) {
       var override = this.overrides_[i];
       override.parent[override.functionName] = override.originalFunction;
     }
   },
 
 };