Make it possible to build without enable_supervised_users.

chrome/browser/component_updater/supervised_user_whitelist_installer_unittest.cc

 // 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.
 
 #include <stddef.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/memory/ptr_util.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/scoped_path_override.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
-#include "chrome/browser/component_updater/supervised_user_whitelist_installer.h"
 #include "chrome/browser/profiles/profile_attributes_storage.h"
 #include "chrome/common/chrome_paths.h"
+#include "chrome/common/features.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile_manager.h"
 #include "components/component_updater/component_updater_paths.h"
 #include "components/component_updater/component_updater_service.h"
 #include "components/crx_file/id_util.h"
 #include "components/prefs/testing_pref_service.h"
 #include "components/safe_json/testing_json_parser.h"
 #include "components/update_client/crx_update_item.h"
 #include "components/update_client/update_client.h"
 #include "components/update_client/utils.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+#if BUILDFLAG(ENABLE_SUPERVISED_USERS)
+#include "chrome/browser/component_updater/supervised_user_whitelist_installer.h"
+#endif
+
 using update_client::CrxComponent;
 using update_client::CrxUpdateItem;
 
 namespace component_updater {
 
 namespace {
 
 const char kClientId[] = "client-id";
 const char kCrxId[] = "abcdefghijklmnopponmlkjihgfedcba";
 const char kName[] = "Some Whitelist";
@@ skipping 376 matching lines @@
     // but it exercises a different code path.
     profile_attributes_storage()->RemoveProfile(GetProfilePath(kOtherClientId));
     run_loop.RunUntilIdle();
   }
   EXPECT_FALSE(component_update_service_.registered_component());
   EXPECT_FALSE(base::DirectoryExists(whitelist_directory_));
   EXPECT_FALSE(base::PathExists(whitelist_path_));
 }
 
 }  // namespace component_updater