// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_CLASS_MUST_DEFINE_VIRTUAL_TRACE_H_
#define BASE_CLASS_MUST_DEFINE_VIRTUAL_TRACE_H_
#include "heap/stubs.h"
namespace blink {
class PartBase {
DISALLOW_NEW();
// Missing virtual Trace.
};
class PartDerived : public PartBase {
DISALLOW_NEW();
public:
virtual void Trace(Visitor*) const;
};
class HeapBase : public GarbageCollected<HeapBase> {
// Missing virtual Trace.
};
class HeapDerived : public HeapBase {
public:
virtual void Trace(Visitor*) const;
private:
PartDerived m_part;
};
}
#endif