Tentatively re-enable previously flaky tests.

chrome/browser/chromeos/login/login_screen_policy_browsertest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
@@ skipping 12 matching lines @@
     command_line->AppendSwitch(switches::kLoginManager);
   }
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     InstallOwnerKey();
     MarkAsEnterpriseOwned();
     DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture();
   }
 };
 
-// http://crbug.com/330454
-IN_PROC_BROWSER_TEST_F(LoginScreenPolicyTest, DISABLED_DisableSupervisedUsers) {
+IN_PROC_BROWSER_TEST_F(LoginScreenPolicyTest, DisableSupervisedUsers) {
   EXPECT_FALSE(chromeos::UserManager::Get()->AreLocallyManagedUsersAllowed());
 
   scoped_refptr<content::MessageLoopRunner> runner(
       new content::MessageLoopRunner);
   scoped_ptr<CrosSettings::ObserverSubscription> subscription(
       chromeos::CrosSettings::Get()->AddSettingsObserver(
           chromeos::kAccountsPrefSupervisedUsersEnabled,
           runner->QuitClosure()));
 
   em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
   proto.mutable_supervised_users_settings()->set_supervised_users_enabled(true);
   RefreshDevicePolicy();
 
   runner->Run();
 
   EXPECT_TRUE(chromeos::UserManager::Get()->AreLocallyManagedUsersAllowed());
 }
 
 }  // namespace chromeos