1 files changed, 0 insertions, 90 deletions
diff --git a/Source/JavaScriptCore/heap/CopyWriteBarrier.h b/Source/JavaScriptCore/heap/CopyWriteBarrier.h
deleted file mode 100644
index 847712666..000000000
--- a/Source/JavaScriptCore/heap/CopyWriteBarrier.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (C) 2014 Apple Inc. 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 INC. 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 INC. 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 CopyWriteBarrier_h
-#define CopyWriteBarrier_h
-
-#include "Heap.h"
-
-namespace JSC {
-
-template <typename T>
-class CopyWriteBarrier {
-public:
-    CopyWriteBarrier()
-        : m_value(0)
-    {
-    }
-    
-    CopyWriteBarrier(VM& vm, const JSCell* owner, T& value)
-    {
-        this->set(vm, owner, &value);
-    }
-    
-    CopyWriteBarrier(VM& vm, const JSCell* owner, T* value)
-    {
-        this->set(vm, owner, value);
-    }
-    
-    bool operator!() const { return !m_value; }
-    
-    typedef T* (CopyWriteBarrier::*UnspecifiedBoolType);
-    operator UnspecifiedBoolType*() const { return m_value ? reinterpret_cast<UnspecifiedBoolType*>(1) : 0; }
-    
-    T* get() const
-    {
-        return m_value;
-    }
-    
-    T* operator*() const
-    {
-        return get();
-    }
-    
-    T* operator->() const
-    {
-        return get();
-    }
-    
-    void set(VM&, const JSCell* owner, T* value)
-    {
-        this->m_value = value;
-        Heap::writeBarrier(owner);
-    }
-    
-    void setWithoutWriteBarrier(T* value)
-    {
-        this->m_value = value;
-    }
-    
-    void clear() { m_value = 0; }
-
-private:
-    T* m_value;
-};
-
-} // namespace JSC
-
-#endif // CopyWriteBarrier_h