Re-enable the policy tests fixed by r145587

chrome/test/functional/PYAUTO_TESTS

 # 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 110 matching lines @@
       # crbug.com/115427
       '-policy.PolicyTest.testAlwaysAuthorizePlugins',
       # crbug.com/118054
       '-policy.PolicyTest.testApplicationLocaleValue',
       # crbug.com/131258
       '-policy.PolicyTest.testDefaultSearchProviderOptions',
       # crbug.com/96896
       '-policy.PolicyTest.testEnabledPlugins',
       # crbug.com/118123
       '-policy.PolicyTest.testExtensionInstallFromForceList',
-      # crbug.com/134560
-      '-policy.PolicyTest.testBlacklistPolicy',
-      '-policy.PolicyTest.testPolicyToPrefMapping',
-      '-policy_prefs_ui.PolicyPrefsUITest.testUserPoliciesShowBanner',
-      '-policy.PolicyTest.testSavingBrowserHistoryDisabled',
       # crbug.com/47935
       '-popups.PopupsTest.testBlockedPopupNotShowInHistory',
       # crbug.com/83827
       '-popups.PopupsTest.testUnblockedPopupAddedToOmnibox',
       # crbug.com/85600
       '-prefs.PrefsTest.testNavigationStateOnSessionRestore',
       # crbug.com/112051
       '-prefs_ui.PrefsUITest.testChangeExceptionBehaviorUI',
       # crbug.com/88593
       '-sync.SyncTest.testPersonalStuffSyncSection',
@@ skipping 702 matching lines @@
       '-policy',
       '-prefs',
       '-prefs_ui',
       '-apptest',
       '-plugins',
       '-omnibox',
       '-special_tabs',
     ],
   },
 }