1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base_class_must_define_virtual_trace.h"
6
7namespace blink {
8
9void PartDerived::trace(Visitor* visitor)
10{
11}
12
13void HeapDerived::trace(Visitor* visitor)
14{
15    visitor->trace(m_part);
16}
17
18
19}
20