Revert of Disable flaky tests related to "Cannot read property 'textdirection' of undefined"

chrome/browser/ui/webui/options/browser_options_browsertest.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.
 
 /**
  * TestFixture for browser options WebUI testing.
  * @extends {testing.Test}
  * @constructor
  */
 function BrowserOptionsWebUITest() {}
 
 BrowserOptionsWebUITest.prototype = {
   __proto__: testing.Test.prototype,
 
   /** @override */
   browsePreload: 'chrome://chrome/settings/',
 };
 
 // Test opening the browser options has correct location.
 // Times out on Mac debug only. See http://crbug.com/121030
 GEN('#if defined(OS_MACOSX) && !defined(NDEBUG)');
 GEN('#define MAYBE_testOpenBrowserOptions ' +
     'DISABLED_testOpenBrowserOptions');
-// Flaky on Winxp: http://crbug.com/396752.
-GEN('#elif defined(OS_WIN)');
-GEN('#define MAYBE_testOpenBrowserOptions ' +
-    'DISABLED_testOpenBrowserOptions');
 GEN('#else');
 GEN('#define MAYBE_testOpenBrowserOptions testOpenBrowserOptions');
 GEN('#endif  // defined(OS_MACOSX)');
 TEST_F('BrowserOptionsWebUITest', 'MAYBE_testOpenBrowserOptions', function() {
   assertEquals(this.browsePreload, document.location.href);
 });
 
 
 /**
  * @extends {testing.Test}
@@ skipping 25 matching lines @@
   __proto__: testing.Test.prototype,
 
   /** @override */
   browsePreload: 'chrome://settings-frame/autofill',
 };
 
 TEST_F('AdvancedSettingsWebUITest', 'testAdvancedSettingsShown', function() {
   assertEquals(this.browsePreload, document.location.href);
   expectFalse($('advanced-settings').hidden);
 });