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.
5 #ifndef CLASS_MULTIPLE_TRACE_BASES_H_
6 #define CLASS_MULTIPLE_TRACE_BASES_H_
8 #include "heap/stubs.h"
12 class Base
: public GarbageCollected
<Base
> {
14 virtual void trace(Visitor
*);
17 class Mixin
: public GarbageCollectedMixin
{
22 class Derived
: public Base
, public Mixin
{
23 USING_GARBAGE_COLLECTED_MIXIN(HeapObject
);
24 // Requires trace method.