Add extension permissions for new settings override API.

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 1808 matching lines @@
         'common/extensions/manifest_tests/extension_manifests_update_unittest.cc',
         'common/extensions/manifest_tests/extension_manifests_validapp_unittest.cc',
         'common/extensions/manifest_tests/extension_manifests_web_accessible_resources_unittest.cc',
         'common/extensions/manifest_tests/extension_manifests_web_unittest.cc',
         'common/extensions/manifest_unittest.cc',
         'common/extensions/manifest_handler_unittest.cc',
         'common/extensions/message_bundle_unittest.cc',
         'common/extensions/permissions/media_galleries_permission_unittest.cc',
         'common/extensions/permissions/permission_set_unittest.cc',
         'common/extensions/permissions/permissions_data_unittest.cc',
+        'common/extensions/permissions/settings_override_permission_unittest.cc',
         'common/extensions/permissions/socket_permission_unittest.cc',
         'common/extensions/permissions/usb_device_permission_unittest.cc',
         'common/extensions/sync_type_unittest.cc',
         'common/extensions/update_manifest_unittest.cc',
         'common/extensions/value_counter_unittest.cc',
         'common/extensions/api/extension_api_unittest.cc',
         'common/favicon/favicon_url_parser_unittest.cc',
         'common/importer/firefox_importer_utils_unittest.cc',
         'common/instant_restricted_id_cache_unittest.cc',
         'common/mac/cfbundle_blocker_unittest.mm',
@@ skipping 1070 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'
 }