Index: third_party/WebKit/Source/wtf/RefCounted.h |
diff --git a/third_party/WebKit/Source/wtf/RefCounted.h b/third_party/WebKit/Source/wtf/RefCounted.h |
index a2820eaa4d421d41296fb052975af7e46b1fc2b6..18654e4c85fae795ba8bf19175077d0a369748af 100644 |
--- a/third_party/WebKit/Source/wtf/RefCounted.h |
+++ b/third_party/WebKit/Source/wtf/RefCounted.h |
@@ -1,171 +1,9 @@ |
-/* |
- * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
- * |
- * This library is free software; you can redistribute it and/or |
- * modify it under the terms of the GNU Library General Public |
- * License as published by the Free Software Foundation; either |
- * version 2 of the License, or (at your option) any later version. |
- * |
- * This library is distributed in the hope that it will be useful, |
- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
- * Library General Public License for more details. |
- * |
- * You should have received a copy of the GNU Library General Public License |
- * along with this library; see the file COPYING.LIB. If not, write to |
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
- * Boston, MA 02110-1301, USA. |
- * |
- */ |
+// Copyright 2017 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 RefCounted_h |
-#define RefCounted_h |
+#include "platform/wtf/RefCounted.h" |
-#include "wtf/Allocator.h" |
-#include "wtf/Assertions.h" |
-#include "wtf/Noncopyable.h" |
-#include "wtf/WTFExport.h" |
- |
-#if ENABLE(INSTANCE_COUNTER) |
-#include "wtf/InstanceCounter.h" |
-#endif |
- |
-#if DCHECK_IS_ON() |
-#define CHECK_REF_COUNTED_LIFECYCLE 1 |
-#include "wtf/ThreadRestrictionVerifier.h" |
-#else |
-#define CHECK_REF_COUNTED_LIFECYCLE 0 |
-#endif |
- |
-namespace WTF { |
- |
-// This base class holds the non-template methods and attributes. |
-// The RefCounted class inherits from it reducing the template bloat |
-// generated by the compiler (technique called template hoisting). |
-class WTF_EXPORT RefCountedBase { |
- public: |
- void ref() const { |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- SECURITY_DCHECK(m_verifier.onRef(m_refCount)); |
- DCHECK(!m_adoptionIsRequired); |
-#endif |
- SECURITY_DCHECK(!m_deletionHasBegun); |
- ++m_refCount; |
- } |
- |
- bool hasOneRef() const { |
- SECURITY_DCHECK(!m_deletionHasBegun); |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- SECURITY_DCHECK(m_verifier.isSafeToUse()); |
-#endif |
- return m_refCount == 1; |
- } |
- |
- int refCount() const { |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- SECURITY_DCHECK(m_verifier.isSafeToUse()); |
-#endif |
- return m_refCount; |
- } |
- |
- protected: |
- RefCountedBase() |
- : m_refCount(1) |
-#if ENABLE(SECURITY_ASSERT) |
- , |
- m_deletionHasBegun(false) |
-#endif |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- , |
- m_adoptionIsRequired(true) |
-#endif |
- { |
- } |
- |
- ~RefCountedBase() { |
- SECURITY_DCHECK(m_deletionHasBegun); |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- DCHECK(!m_adoptionIsRequired); |
-#endif |
- } |
- |
- // Returns whether the pointer should be freed or not. |
- bool derefBase() const { |
- SECURITY_DCHECK(!m_deletionHasBegun); |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- SECURITY_DCHECK(m_verifier.onDeref(m_refCount)); |
- DCHECK(!m_adoptionIsRequired); |
-#endif |
- |
- DCHECK_GT(m_refCount, 0); |
- --m_refCount; |
- if (!m_refCount) { |
-#if ENABLE(SECURITY_ASSERT) |
- m_deletionHasBegun = true; |
-#endif |
- return true; |
- } |
- |
- return false; |
- } |
- |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- bool deletionHasBegun() const { return m_deletionHasBegun; } |
-#endif |
- |
- private: |
-#if CHECK_REF_COUNTED_LIFECYCLE || ENABLE(SECURITY_ASSERT) |
- friend void adopted(RefCountedBase*); |
-#endif |
- |
- mutable int m_refCount; |
-#if ENABLE(SECURITY_ASSERT) |
- mutable bool m_deletionHasBegun; |
-#endif |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- mutable bool m_adoptionIsRequired; |
- mutable ThreadRestrictionVerifier m_verifier; |
-#endif |
-}; |
- |
-#if CHECK_REF_COUNTED_LIFECYCLE || ENABLE(SECURITY_ASSERT) |
-inline void adopted(RefCountedBase* object) { |
- if (!object) |
- return; |
- SECURITY_DCHECK(!object->m_deletionHasBegun); |
-#if CHECK_REF_COUNTED_LIFECYCLE |
- object->m_adoptionIsRequired = false; |
-#endif |
-} |
-#endif |
- |
-template <typename T> |
-class RefCounted : public RefCountedBase { |
- WTF_MAKE_NONCOPYABLE(RefCounted); |
- |
- // Put |T| in here instead of |RefCounted| so the heap profiler reports |T| |
- // instead of |RefCounted<T>|. This does not affect overloading of operator |
- // new. |
- USING_FAST_MALLOC(T); |
- |
- public: |
- void deref() const { |
- if (derefBase()) |
- delete static_cast<const T*>(this); |
- } |
- |
- protected: |
-#if ENABLE(INSTANCE_COUNTER) |
- RefCounted() { incrementInstanceCount<T>(static_cast<T*>(this)); } |
- |
- ~RefCounted() { decrementInstanceCount<T>(static_cast<T*>(this)); } |
-#else |
- RefCounted() {} |
-#endif |
-}; |
- |
-} // namespace WTF |
- |
-using WTF::RefCounted; |
- |
-#endif // RefCounted_h |
+// The contents of this header was moved to platform/wtf as part of |
+// WTF migration project. See the following post for details: |
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ |