Automated IWYU fix for TaskRunner includes.

components/policy/core/common/cloud/user_cloud_policy_store.cc

 // Copyright 2013 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/cloud/user_cloud_policy_store.h"
 
 #include <stddef.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/sequenced_task_runner.h"
 #include "base/task_runner_util.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "components/policy/proto/cloud_policy.pb.h"
 #include "components/policy/proto/device_management_backend.pb.h"
 #include "components/policy/proto/policy_signing_key.pb.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 
 namespace em = enterprise_management;
 
 namespace policy {
@@ skipping 415 matching lines @@
   if (validator->policy()->has_new_public_key())
     persisted_policy_key_ = validator->policy()->new_public_key();
 
   InstallPolicy(std::move(validator->policy_data()),
                 std::move(validator->payload()), persisted_policy_key_);
   status_ = STATUS_OK;
   NotifyStoreLoaded();
 }
 
 }  // namespace policy