Switch to standard integer types in components/policy/.

components/policy/core/common/cloud/cloud_policy_service.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/cloud/cloud_policy_service.h"
 
+#include <stddef.h>
+
 #include "base/callback.h"
 #include "base/logging.h"
 #include "policy/proto/device_management_backend.pb.h"
 
 namespace em = enterprise_management;
 
 namespace policy {
 
 CloudPolicyService::CloudPolicyService(const std::string& policy_type,
                                        const std::string& settings_entity_id,
@@ skipping 166 matching lines @@
 
 void CloudPolicyService::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
 }
 
 void CloudPolicyService::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace policy