| // 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 MemberCopy_h |
| #define MemberCopy_h |
| |
| #include <memory> |
| #include "core/style/ContentData.h" |
| #include "core/style/DataPersistent.h" |
| #include "core/style/DataRef.h" |
| #include "platform/heap/Persistent.h" |
| #include "platform/wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| template <typename T> |
| RefPtr<T> MemberCopy(const RefPtr<T>& v) { |
| return v; |
| } |
| |
| template <typename T> |
| Persistent<T> MemberCopy(const Persistent<T>& v) { |
| return v; |
| } |
| |
| template <typename T> |
| std::unique_ptr<T> MemberCopy(const std::unique_ptr<T>& v) { |
| return v ? v->Clone() : nullptr; |
| } |
| |
| template <typename T> |
| DataPersistent<T> MemberCopy(const DataPersistent<T>& v) { |
| return v; |
| } |
| |
| inline Persistent<ContentData> MemberCopy(const Persistent<ContentData>& v) { |
| return v ? v->Clone() : nullptr; |
| } |
| |
| } // namespace blink |
| |
| #endif // MemberCopy_h |
