Fix some JS style nits.

ui/webui/resources/js/webui_resource_test.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.
 
 /**
  * Tests that an observation matches the expected value.
  * @param {Object} expected The expected value.
  * @param {Object} observed The actual value.
  * @param {string=} opt_message Optional message to include with a test
  *     failure.
@@ skipping 103 matching lines @@
     assertEquals(expected, observed, opt_message);
   }
 }
 
 /**
  * Defines runTests.
  */
 (function(exports) {
   /**
    * List of test cases.
-   * @type {Array.<string>} List of function names for tests to run.
+   * @type {Array<string>} List of function names for tests to run.
    */
   var testCases = [];
 
   /**
    * Indicates if all tests have run successfully.
    * @type {boolean}
    */
   var cleanTestRun = true;
 
   /**
@@ skipping 66 matching lines @@
  * @param {boolean} success Indicates if the test completed successfully.
  */
 function endTests(success) {
   domAutomationController.setAutomationId(1);
   domAutomationController.send(success ? 'SUCCESS' : 'FAILURE');
 }
 
 window.onerror = function() {
   endTests(false);
 };