Migrate Remoting Webapp Unittests to use QUnit 2.0 syntax.

remoting/webapp/crd/js/error_unittest.js

 // Copyright 2014 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.
 
 (function() {
 
 'use strict';
 
-QUnit.module('error', {
-  setup: function() {
-  },
-  teardown: function() {
-  }
-});
+QUnit.module('error');
 
 QUnit.test('error constructor 1', function() {
   var error = new remoting.Error(remoting.Error.Tag.HOST_OVERLOAD);
   QUnit.equal(error.getTag(), remoting.Error.Tag.HOST_OVERLOAD);
   QUnit.equal(error.toString(), remoting.Error.Tag.HOST_OVERLOAD);
 });
 
 QUnit.test('error constructor 2', function() {
   var error = new remoting.Error(
       remoting.Error.Tag.HOST_IS_OFFLINE,
@@ skipping 83 matching lines @@
   var reportedError;
   var onError = function(/** !remoting.Error */ arg) {
     reportedError = arg;
   };
   var origError = new remoting.Error(remoting.Error.Tag.HOST_IS_OFFLINE);
   remoting.Error.handler(onError)(origError);
   QUnit.equal(reportedError, origError);
 });
 
 })();