tools/clang/blink_gc_plugin/tests/base_requires_tracing.h

   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.
   4
   5 #ifndef BASE_REQUIRES_TRACING_H_
   6 #define BASE_REQUIRES_TRACING_H_
   7
   8 #include "heap/stubs.h"
   9
  10 namespace blink {
  11
  12 class A : public GarbageCollected<A> {
  13 public:
  14     virtual void trace(Visitor*);
  15 };
  16
  17 class B : public A {
  18     // Does not need trace
  19 };
  20
  21 class C : public B {
  22 public:
  23     void trace(Visitor*);
  24 private:
  25     Member<A> m_a;
  26 };
  27
  28 class D : public C {
  29 public:
  30     void trace(Visitor*);
  31 private:
  32     Member<A> m_a;
  33 };
  34
  35 }
  36
  37 #endif