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

components/wifi_sync/wifi_config_delegate_chromeos_unittest.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/wifi_sync/wifi_config_delegate_chromeos.h"
 
+#include <stddef.h>
+
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/values.h"
 #include "chromeos/network/managed_network_configuration_handler.h"
 #include "chromeos/network/network_handler_callbacks.h"
 #include "components/wifi_sync/wifi_credential.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace wifi_sync {
 
@@ skipping 204 matching lines @@
   AddToLocalNetworks(MakeCredential(kSsid, SECURITY_CLASS_NONE, ""));
   EXPECT_TRUE(create_configuration_called());
   if (!create_configuration_error_callback().is_null()) {
     create_configuration_error_callback().Run(
         "Config.CreateConfiguration Failed",
         make_scoped_ptr(new base::DictionaryValue()));
   }
 }
 
 }  // namespace wifi_sync