| // 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 NON_VIRTUAL_TRACE_H_ |
| #define NON_VIRTUAL_TRACE_H_ |
| |
| #include "heap/stubs.h" |
| |
| namespace blink { |
| |
| class A : public GarbageCollected<A> { |
| public: |
| void trace(Visitor*); |
| }; |
| |
| class B : public A { |
| }; |
| |
| class C : public B { |
| public: |
| void trace(Visitor*); // Cannot override a non-virtual trace. |
| }; |
| |
| class D : public B { |
| public: |
| virtual void trace(Visitor*); // Cannot override a non-virtual trace. |
| }; |
| |
| } |
| |
| #endif |