Automated IWYU fix for TaskRunner includes.

components/policy/core/common/policy_loader_win_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 "components/policy/core/common/policy_loader_win.h"
 
 #include <windows.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <userenv.h>
 
 #include <algorithm>
 #include <cstring>
 #include <functional>
 #include <iterator>
 #include <utility>
 #include <vector>
 
 #include "base/base_paths.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_writer.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/path_service.h"
 #include "base/process/process_handle.h"
+#include "base/sequenced_task_runner.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_byteorder.h"
 #include "base/values.h"
 #include "base/win/registry.h"
 #include "base/win/win_util.h"
 #include "components/policy/core/common/async_policy_provider.h"
@@ skipping 1148 matching lines @@
   expected.Get(ns_a).LoadFrom(&expected_a, POLICY_LEVEL_MANDATORY,
                               POLICY_SCOPE_MACHINE, POLICY_SOURCE_PLATFORM);
   base::DictionaryValue expected_b;
   expected_b.SetInteger("policy 1", 2);
   expected.Get(ns_b).LoadFrom(&expected_b, POLICY_LEVEL_MANDATORY,
                               POLICY_SCOPE_MACHINE, POLICY_SOURCE_PLATFORM);
   EXPECT_TRUE(Matches(expected));
 }
 
 }  // namespace policy