Switch to standard integer types in components/, part 2 of 4.

components/login/base_screen_handler_utils.h

 // Copyright (c) 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.
 
 #ifndef COMPONENTS_LOGIN_BASE_SCREEN_HANDLER_UTILS_H_
 #define COMPONENTS_LOGIN_BASE_SCREEN_HANDLER_UTILS_H_
 
+#include <stddef.h>
+
 #include <cstddef>
 #include <string>
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "base/tuple.h"
 #include "base/values.h"
 #include "components/login/login_export.h"
 #include "components/signin/core/account_id/account_id.h"
@@ skipping 77 matching lines @@
 void CallbackWrapper(const base::Callback<void(Args...)>& callback,
                      const base::ListValue* args) {
   DispatchToCallback(callback, args,
                      base::MakeIndexSequence<sizeof...(Args)>());
 }
 
 
 }  // namespace login
 
 #endif  // COMPONENTS_LOGIN_BASE_SCREEN_HANDLER_UTILS_H_