Automated IWYU fix for TaskRunner includes.

components/policy/core/common/cloud/policy_header_service.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/policy_header_service.h"
 
 #include "base/base64.h"
 #include "base/json/json_writer.h"
 #include "base/memory/ptr_util.h"
+#include "base/sequenced_task_runner.h"
 #include "base/values.h"
 #include "components/policy/core/common/cloud/cloud_policy_store.h"
 #include "components/policy/core/common/cloud/policy_header_io_helper.h"
 
 namespace {
 const char kUserDMTokenKey[] = "user_dmtoken";
 const char kUserPolicyTokenKey[] = "user_policy_token";
 const char kVerificationKeyHashKey[] = "verification_key_id";
 }
 
@@ skipping 72 matching lines @@
 
 void PolicyHeaderService::OnStoreError(CloudPolicyStore* store) {
   // Do nothing on errors.
 }
 
 std::vector<PolicyHeaderIOHelper*> PolicyHeaderService::GetHelpersForTest() {
   return helpers_;
 }
 
 }  // namespace policy