Switch to standard integer types in components/, part 4 of 4.

components/update_client/action_update_check.cc

 // Copyright 2015 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/update_client/action_update_check.h"
 
+#include <stddef.h>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/version.h"
 #include "components/update_client/action_update.h"
 #include "components/update_client/configurator.h"
@@ skipping 183 matching lines @@
 
   VLOG(1) << "Update check failed." << error;
 
   ChangeAllItemsState(CrxUpdateItem::State::kChecking,
                       CrxUpdateItem::State::kNoUpdate);
 
   UpdateComplete(error);
 }
 
 }  // namespace update_client