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

chrome/browser/ui/webui/options/clear_browser_data_browsertest.cc

 // 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.
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browsing_data/browsing_data_remover_test_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/webui/options/options_ui_browsertest.h"
 #include "chrome/common/url_constants.h"
@@ skipping 23 matching lines @@
       const std::string& selector,
       bool* enabled) {
     ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
         GetSettingsFrame(),
         "window.domAutomationController.send(!document.querySelector('" +
             selector + "').disabled);",
         enabled));
   }
 };
 
-// Disabled, see http://crbug.com/396752.
 IN_PROC_BROWSER_TEST_F(ClearBrowserDataBrowserTest,
-                       DISABLED_CommitButtonDisabledWhileDeletionInProgress) {
+                       CommitButtonDisabledWhileDeletionInProgress) {
   const char kCommitButtonId[] = "#clear-browser-data-commit";
   BrowsingDataRemoverCompletionInhibitor completion_inhibitor;
 
   // Navigate to the Clear Browsing Data dialog to ensure that the commit button
   // is initially enabled, usable, and gets disabled after having been pressed.
   NavigateToSettingsSubpage(chrome::kClearBrowserDataSubPage);
   ASSERT_NO_FATAL_FAILURE(ClickElement(kCommitButtonId));
   EXPECT_FALSE(IsElementEnabled(kCommitButtonId));
 
   completion_inhibitor.BlockUntilNearCompletion();
@@ skipping 35 matching lines @@
   // However, expect the commit button to be re-enabled if any of the data types
   // gets selected to be cleared.
   for (size_t i = 0; i < arraysize(kDataTypes); ++i) {
     prefs->SetBoolean(kDataTypes[i], true);
     EXPECT_TRUE(IsElementEnabled(kCommitButtonId));
     prefs->SetBoolean(kDataTypes[i], false);
   }
 }
 
 }  // namespace options