Switch to standard integer types in content/.

content/child/shared_memory_received_data_factory_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 "content/child/shared_memory_received_data_factory.h"
 
+#include <stddef.h>
+
 #include "base/tuple.h"
 #include "content/common/resource_messages.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sender.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 namespace {
@@ skipping 198 matching lines @@
   checkpoint.Call(2);
   factory_->Stop();
   data5.reset();
   data4.reset();
   checkpoint.Call(3);
 }
 
 }  // namespace
 
 }  // namespace content