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

components/update_client/update_checker.cc

 // Copyright 2014 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/update_checker.h"
 
+#include <stddef.h>
+
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 147 matching lines @@
                             error_message, update_response.results()));
 }
 
 }  // namespace
 
 scoped_ptr<UpdateChecker> UpdateChecker::Create(const Configurator& config) {
   return scoped_ptr<UpdateChecker>(new UpdateCheckerImpl(config));
 }
 
 }  // namespace update_client