| // Copyright 2015 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 TRACEIMPL_DERIVED_FROM_TEMPLATED_BASE_H_ |
| #define TRACEIMPL_DERIVED_FROM_TEMPLATED_BASE_H_ |
| |
| #include "heap/stubs.h" |
| |
| namespace blink { |
| |
| class X : public GarbageCollected<X> { |
| public: |
| virtual void trace(Visitor*) {} |
| }; |
| |
| template <int Y> |
| class TraceImplTemplatedBase |
| : public GarbageCollected<TraceImplTemplatedBase<Y> > { |
| public: |
| void trace(Visitor* visitor) { traceImpl(visitor); } |
| |
| template <typename VisitorDispatcher> |
| void traceImpl(VisitorDispatcher visitor) { |
| visitor->trace(x_); |
| } |
| |
| private: |
| Member<X> x_; |
| }; |
| |
| class TraceImplDerivedFromTemplatedBase : public TraceImplTemplatedBase<0> { |
| }; |
| |
| } |
| |
| #endif // TRACEIMPL_DERIVED_FROM_TEMPLATED_BASE_H_ |