Make it possible to build without enable_supervised_users.

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 2977 matching lines @@
     "../browser/budget_service/budget_database_unittest.cc",
     "../browser/budget_service/budget_manager_unittest.cc",
     "../browser/chrome_content_browser_client_unittest.cc",
     "../browser/chrome_process_singleton_win_unittest.cc",
     "../browser/command_updater_unittest.cc",
     "../browser/component_updater/chrome_component_updater_configurator_unittest.cc",
     "../browser/component_updater/component_installer_errors_unittest.cc",
     "../browser/component_updater/origin_trials_component_installer_unittest.cc",
     "../browser/component_updater/sth_set_component_installer_unittest.cc",
     "../browser/component_updater/subresource_filter_component_installer_unittest.cc",
-    "../browser/component_updater/supervised_user_whitelist_installer_unittest.cc",
     "../browser/component_updater/sw_reporter_installer_win_unittest.cc",
     "../browser/conflicts/installed_programs_win_unittest.cc",
     "../browser/conflicts/module_database_win_unittest.cc",
     "../browser/conflicts/module_event_sink_impl_win_unittest.cc",
     "../browser/conflicts/module_info_util_win_unittest.cc",
     "../browser/conflicts/module_info_win_unittest.cc",
     "../browser/conflicts/module_inspector_win_unittest.cc",
     "../browser/content_settings/content_settings_default_provider_unittest.cc",
     "../browser/content_settings/content_settings_mock_observer.cc",
     "../browser/content_settings/content_settings_mock_observer.h",
@@ skipping 1787 matching lines @@
         "../browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc",
         "../browser/ui/views/first_run_bubble_unittest.cc",
       ]
     }
   }
   if (!is_android && use_nss_certs) {
     sources += [ "../common/net/x509_certificate_model_unittest.cc" ]
   }
   if (enable_supervised_users) {
     sources += [
+      "../browser/component_updater/supervised_user_whitelist_installer_unittest.cc",
       "../browser/content_settings/content_settings_supervised_provider_unittest.cc",
       "../browser/supervised_user/child_accounts/family_info_fetcher_unittest.cc",
       "../browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc",
       "../browser/supervised_user/experimental/safe_search_url_reporter_unittest.cc",
       "../browser/supervised_user/supervised_user_bookmarks_handler_unittest.cc",
       "../browser/supervised_user/supervised_user_pref_store_unittest.cc",
       "../browser/supervised_user/supervised_user_service_unittest.cc",
       "../browser/supervised_user/supervised_user_settings_service_unittest.cc",
       "../browser/supervised_user/supervised_user_url_filter_unittest.cc",
       "../browser/supervised_user/supervised_user_whitelist_service_unittest.cc",
@@ skipping 311 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }