Revert of Re-enable fetching component policies for login screen apps

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos_unittest.cc

 // 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.
 
 #include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 83 matching lines @@
 class TestingDeviceCloudPolicyManagerChromeOS
     : public DeviceCloudPolicyManagerChromeOS {
  public:
   TestingDeviceCloudPolicyManagerChromeOS(
       std::unique_ptr<DeviceCloudPolicyStoreChromeOS> store,
       const scoped_refptr<base::SequencedTaskRunner>& task_runner,
       ServerBackedStateKeysBroker* state_keys_broker)
       : DeviceCloudPolicyManagerChromeOS(std::move(store),
                                          task_runner,
                                          state_keys_broker) {
-    set_component_policy_disabled_for_testing(true);
+    set_is_component_policy_enabled_for_testing(false);
   }
 
   ~TestingDeviceCloudPolicyManagerChromeOS() override {}
 };
 
 class DeviceCloudPolicyManagerChromeOSTest
     : public chromeos::DeviceSettingsTestBase,
       public DeviceCloudPolicyManagerChromeOS::Observer {
  protected:
   DeviceCloudPolicyManagerChromeOSTest()
@@ skipping 706 matching lines @@
                         DeviceCloudPolicyManagerChromeOSEnrollmentTest,
                         ::testing::Values(false, true));
 
 INSTANTIATE_TEST_CASE_P(
     Cert,
     DeviceCloudPolicyManagerChromeOSEnrollmentBlankSystemSaltTest,
     ::testing::Values(false, true));
 
 }  // namespace
 }  // namespace policy