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diff --git a/WebCore/bindings/js/JSSVGPODTypeWrapper.h b/WebCore/bindings/js/JSSVGPODTypeWrapper.h
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+/*
+ * Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ *
+ * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 JSSVGPODTypeWrapper_h
+#define JSSVGPODTypeWrapper_h
+
+#if ENABLE(SVG)
+
+#include "Frame.h"
+#include <wtf/RefCounted.h>
+#include "SVGElement.h"
+
+#include <wtf/Assertions.h>
+#include <wtf/HashMap.h>
+
+namespace WebCore {
+
+template<typename PODType>
+class JSSVGPODTypeWrapper : public RefCounted<JSSVGPODTypeWrapper<PODType> > {
+public:
+    JSSVGPODTypeWrapper() : RefCounted<JSSVGPODTypeWrapper<PODType> >(0) { }
+    virtual ~JSSVGPODTypeWrapper() { }
+
+    // Getter wrapper
+    virtual operator PODType() = 0;
+
+    // Setter wrapper
+    virtual void commitChange(PODType, SVGElement*) = 0;
+};
+
+template<typename PODType, typename PODTypeCreator>
+class JSSVGPODTypeWrapperCreatorReadWrite : public JSSVGPODTypeWrapper<PODType>
+{
+public:
+    typedef PODType (PODTypeCreator::*GetterMethod)() const; 
+    typedef void (PODTypeCreator::*SetterMethod)(PODType);
+
+    JSSVGPODTypeWrapperCreatorReadWrite(PODTypeCreator* creator, GetterMethod getter, SetterMethod setter)
+        : m_creator(creator)
+        , m_getter(getter)
+        , m_setter(setter)
+    {
+        ASSERT(creator);
+        ASSERT(getter);
+        ASSERT(setter);
+    }
+
+    virtual ~JSSVGPODTypeWrapperCreatorReadWrite() { }
+
+    // Getter wrapper
+    virtual operator PODType() { return (m_creator.get()->*m_getter)(); }
+
+    // Setter wrapper
+    virtual void commitChange(PODType type, SVGElement* context)
+    {
+        if (!m_setter)
+            return;
+
+        (m_creator.get()->*m_setter)(type);
+
+        if (context)
+            context->svgAttributeChanged(m_creator->associatedAttributeName());
+    }
+
+private:
+    // Update callbacks
+    RefPtr<PODTypeCreator> m_creator;
+    GetterMethod m_getter;
+    SetterMethod m_setter;
+};
+
+template<typename PODType>
+class JSSVGPODTypeWrapperCreatorReadOnly : public JSSVGPODTypeWrapper<PODType>
+{
+public:
+    JSSVGPODTypeWrapperCreatorReadOnly(PODType type)
+        : m_podType(type)
+    { }
+
+    virtual ~JSSVGPODTypeWrapperCreatorReadOnly() { }
+
+    // Getter wrapper
+    virtual operator PODType() { return m_podType; }
+
+    // Setter wrapper
+    virtual void commitChange(PODType type, SVGElement*)
+    {
+        m_podType = type;
+    }
+
+private:
+    PODType m_podType;
+};
+
+template<typename PODType>
+class SVGPODListItem;
+
+template<typename PODType>
+class JSSVGPODTypeWrapperCreatorForList : public JSSVGPODTypeWrapper<PODType>
+{
+public:
+    typedef PODType (SVGPODListItem<PODType>::*GetterMethod)() const; 
+    typedef void (SVGPODListItem<PODType>::*SetterMethod)(PODType);
+
+    JSSVGPODTypeWrapperCreatorForList(SVGPODListItem<PODType>* creator, const QualifiedName& attributeName)
+        : m_creator(creator)
+        , m_getter(&SVGPODListItem<PODType>::value)
+        , m_setter(&SVGPODListItem<PODType>::setValue)
+        , m_associatedAttributeName(attributeName)
+    {
+        ASSERT(m_creator);
+        ASSERT(m_getter);
+        ASSERT(m_setter);
+    }
+
+    virtual ~JSSVGPODTypeWrapperCreatorForList() { }
+
+    // Getter wrapper
+    virtual operator PODType() { return (m_creator.get()->*m_getter)(); }
+
+    // Setter wrapper
+    virtual void commitChange(PODType type, SVGElement* context)
+    {
+        if (!m_setter)
+            return;
+
+        (m_creator.get()->*m_setter)(type);
+
+        if (context)
+            context->svgAttributeChanged(m_associatedAttributeName);
+    }
+
+private:
+    // Update callbacks
+    RefPtr<SVGPODListItem<PODType> > m_creator;
+    GetterMethod m_getter;
+    SetterMethod m_setter;
+    const QualifiedName& m_associatedAttributeName;
+};
+
+// Caching facilities
+template<typename PODType, typename PODTypeCreator>
+struct PODTypeReadWriteHashInfo {
+    typedef PODType (PODTypeCreator::*GetterMethod)() const; 
+    typedef void (PODTypeCreator::*SetterMethod)(PODType);
+
+    // Empty value
+    PODTypeReadWriteHashInfo()
+        : creator(0)
+        , getter(0)
+        , setter(0)
+    { }
+
+    // Deleted value
+    explicit PODTypeReadWriteHashInfo(bool)
+        : creator(reinterpret_cast<PODTypeCreator*>(-1))
+        , getter(0)
+        , setter(0)
+    { }
+
+    PODTypeReadWriteHashInfo(PODTypeCreator* _creator, GetterMethod _getter, SetterMethod _setter)
+        : creator(_creator)
+        , getter(_getter)
+        , setter(_setter)
+    {
+        ASSERT(creator);
+        ASSERT(getter);
+    }
+
+    bool operator==(const PODTypeReadWriteHashInfo& other) const
+    {
+        return creator == other.creator && getter == other.getter && setter == other.setter;
+    }
+
+    PODTypeCreator* creator;
+    GetterMethod getter;
+    SetterMethod setter;
+};
+
+template<typename PODType, typename PODTypeCreator>
+struct PODTypeReadWriteHashInfoHash {
+    static unsigned hash(const PODTypeReadWriteHashInfo<PODType, PODTypeCreator>& info)
+    {
+        return StringImpl::computeHash((::UChar*) &info, sizeof(PODTypeReadWriteHashInfo<PODType, PODTypeCreator>) / sizeof(::UChar));
+    }
+
+    static bool equal(const PODTypeReadWriteHashInfo<PODType, PODTypeCreator>& a, const PODTypeReadWriteHashInfo<PODType, PODTypeCreator>& b)
+    {
+        return a == b;
+    }
+
+    static const bool safeToCompareToEmptyOrDeleted = true;
+};
+
+template<typename PODType, typename PODTypeCreator>
+struct PODTypeReadWriteHashInfoTraits : WTF::GenericHashTraits<PODTypeReadWriteHashInfo<PODType, PODTypeCreator> > {
+    static const bool emptyValueIsZero = true;
+    static const bool needsDestruction = false;
+
+    static const PODTypeReadWriteHashInfo<PODType, PODTypeCreator>& deletedValue()
+    {
+        static PODTypeReadWriteHashInfo<PODType, PODTypeCreator> key(true);
+        return key;
+    }
+
+    static const PODTypeReadWriteHashInfo<PODType, PODTypeCreator>& emptyValue()
+    {
+        static PODTypeReadWriteHashInfo<PODType, PODTypeCreator> key;
+        return key;
+    }
+};
+
+template<typename PODType, typename PODTypeCreator>
+class JSSVGPODTypeWrapperCache
+{
+public:
+    typedef PODType (PODTypeCreator::*GetterMethod)() const; 
+    typedef void (PODTypeCreator::*SetterMethod)(PODType);
+
+    typedef HashMap<PODTypeReadWriteHashInfo<PODType, PODTypeCreator>, JSSVGPODTypeWrapperCreatorReadWrite<PODType, PODTypeCreator>*, PODTypeReadWriteHashInfoHash<PODType, PODTypeCreator>, PODTypeReadWriteHashInfoTraits<PODType, PODTypeCreator> > ReadWriteHashMap;
+    typedef typename ReadWriteHashMap::const_iterator ReadWriteHashMapIterator;
+
+    static ReadWriteHashMap& readWriteHashMap()
+    {
+        static ReadWriteHashMap _readWriteHashMap;
+        return _readWriteHashMap;
+    }
+
+    // Used for readwrite attributes only
+    static JSSVGPODTypeWrapper<PODType>* lookupOrCreateWrapper(PODTypeCreator* creator, GetterMethod getter, SetterMethod setter)
+    {
+        ReadWriteHashMap& map(readWriteHashMap());
+        PODTypeReadWriteHashInfo<PODType, PODTypeCreator> info(creator, getter, setter);
+
+        if (map.contains(info))
+            return map.get(info);
+
+        JSSVGPODTypeWrapperCreatorReadWrite<PODType, PODTypeCreator>* wrapper = new JSSVGPODTypeWrapperCreatorReadWrite<PODType, PODTypeCreator>(creator, getter, setter);
+        map.set(info, wrapper);
+        return wrapper;
+    }
+
+    static void forgetWrapper(JSSVGPODTypeWrapper<PODType>* wrapper)
+    {
+        ReadWriteHashMap& map(readWriteHashMap());
+
+        ReadWriteHashMapIterator it = map.begin();
+        ReadWriteHashMapIterator end = map.end();
+
+        for (; it != end; ++it) {
+            if (it->second != wrapper)
+                continue;
+
+            // It's guaruanteed that there's just one object we need to take care of.
+            map.remove(it->first);
+            break;
+        }
+    }
+};
+
+};
+
+#endif // ENABLE(SVG)
+#endif // JSSVGPODTypeWrapper_h