| // Copyright 2014 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. | |
| #ifndef PURE_VIRTUAL_TRACE_H_ | |
| #define PURE_VIRTUAL_TRACE_H_ | |
| #include "heap/stubs.h" | |
| namespace blink { | |
| class A : public GarbageCollected<A> { | |
| public: | |
| virtual void trace(Visitor*) = 0; | |
| }; | |
| } | |
| #endif |