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 "non_virtual_trace.h"
6
7namespace blink {
8
9void A::trace(Visitor* visitor)
10{
11}
12
13void C::trace(Visitor* visitor)
14{
15    B::trace(visitor);
16}
17
18void D::trace(Visitor* visitor)
19{
20    B::trace(visitor);
21}
22
23}
24