Policy providers all get a SchemaRegistry to work with.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 1091 matching lines @@
         'browser/policy/configuration_policy_pref_store_unittest.cc',
         'browser/policy/configuration_policy_pref_store_unittest.h',
         'browser/policy/configuration_policy_provider_test.cc',
         'browser/policy/configuration_policy_provider_test.h',
         'browser/policy/file_selection_dialogs_policy_handler_unittest.cc',
         'browser/policy/generate_policy_source_unittest.cc',
         'browser/policy/javascript_policy_handler_unittest.cc',
         'browser/policy/mock_policy_service.cc',
         'browser/policy/mock_policy_service.h',
         'browser/policy/policy_bundle_unittest.cc',
-        'browser/policy/policy_domain_descriptor_unittest.cc',
         'browser/policy/policy_loader_mac_unittest.cc',
         'browser/policy/policy_loader_win_unittest.cc',
         'browser/policy/policy_map_unittest.cc',
         'browser/policy/policy_path_parser_unittest.cc',
         'browser/policy/policy_service_impl_unittest.cc',
         'browser/policy/policy_statistics_collector_unittest.cc',
         'browser/policy/preg_parser_win_unittest.cc',
         'browser/policy/registry_dict_win_unittest.cc',
         'browser/policy/schema_map_unittest.cc',
         'browser/policy/schema_registry_unittest.cc',
@@ skipping 1789 matching lines @@
             'browser/ui/app_list/test/fake_profile.h',
             'browser/ui/app_list/test/fake_profile_store.cc',
             'browser/ui/app_list/test/fake_profile_store.h',
             'browser/ui/app_list/test/fast_show_pickler_unittest.cc',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }