Remove WebPrivateOwnPtr

third_party/WebKit/public/platform/WebPrivateOwnPtr.h

-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- * Copyright (C) 2013 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WebPrivateOwnPtr_h
-#define WebPrivateOwnPtr_h
-
-#include "WebCommon.h"
-#include "WebNonCopyable.h"
-#include "base/logging.h"
-#include <cstddef>
-
-#if INSIDE_BLINK
-#include "wtf/PtrUtil.h"
-#include <memory>
-#endif
-
-namespace blink {
-
-// This class is an implementation detail of the WebKit API.  It exists
-// to help simplify the implementation of WebKit interfaces that merely
-// wrap a pointer to a WebCore class. It's similar to WebPrivatePtr, but it
-// wraps a naked pointer rather than a reference counted.
-// Note: you must call reset(0) on the implementation side in order to delete
-// the WebCore pointer.
-template <typename T>
-class WebPrivateOwnPtr : public WebNonCopyable {
-public:
-    WebPrivateOwnPtr() : m_ptr(nullptr) {}
-    WebPrivateOwnPtr(std::nullptr_t) : m_ptr(nullptr) {}
-    ~WebPrivateOwnPtr() { DCHECK(!m_ptr); }
-
-    explicit WebPrivateOwnPtr(T* ptr)
-        : m_ptr(ptr)
-    {
-    }
-
-    T* get() const { return m_ptr; }
-
-#if INSIDE_BLINK
-    template <typename U>
-    WebPrivateOwnPtr(std::unique_ptr<U>, EnsurePtrConvertibleArgDecl(U, T));
-
-    void reset(T* ptr)
-    {
-        delete m_ptr;
-        m_ptr = ptr;
-    }
-
-    void reset(std::unique_ptr<T> o)
-    {
-        reset(o.release());
-    }
-
-    std::unique_ptr<T> release()
-    {
-        T* ptr = m_ptr;
-        m_ptr = nullptr;
-        return wrapUnique(ptr);
-    }
-
-    T& operator*() const
-    {
-        DCHECK(m_ptr);
-        return *m_ptr;
-    }
-
-    T* operator->() const
-    {
-        DCHECK(m_ptr);
-        return m_ptr;
-    }
-#endif // INSIDE_BLINK
-
-private:
-    T* m_ptr;
-};
-
-#if INSIDE_BLINK
-template <typename T>
-template <typename U>
-inline WebPrivateOwnPtr<T>::WebPrivateOwnPtr(std::unique_ptr<U> o, EnsurePtrConvertibleArgDefn(U, T))
-    : m_ptr(o.release())
-{
-    static_assert(!std::is_array<T>::value, "Pointers to array must never be converted");
-}
-#endif
-
-} // namespace blink
-
-#endif