Material throbber: use in tabstrip
[chromium-blink-merge.git] / tools / clang / blink_gc_plugin / tests / base_requires_tracing.h
blob0205a08c6f213ad2c2dec70bfc24eae93ef400b9
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 BASE_REQUIRES_TRACING_H_
6 #define BASE_REQUIRES_TRACING_H_
8 #include "heap/stubs.h"
10 namespace blink {
12 class A : public GarbageCollected<A> {
13 public:
14 virtual void trace(Visitor*);
17 class B : public A {
18 // Does not need trace
21 class C : public B {
22 public:
23 void trace(Visitor*);
24 private:
25 Member<A> m_a;
28 class D : public C {
29 public:
30 void trace(Visitor*);
31 private:
32 Member<A> m_a;
37 #endif