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diff --git a/Source/JavaScriptGlue/JSValueWrapper.cpp b/Source/JavaScriptGlue/JSValueWrapper.cpp
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+/*
+ * Copyright (C) 2005, 2009 Apple Computer, 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * 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.
+ */
+
+#include "config.h"
+#include "JSValueWrapper.h"
+#include "JSRun.h"
+#include <JavaScriptCore/JSArray.h>
+#include <JavaScriptCore/PropertyNameArray.h>
+#include <pthread.h>
+
+JSValueWrapper::JSValueWrapper(JSValue inValue)
+    : fValue(inValue)
+{
+}
+
+JSValueWrapper::~JSValueWrapper()
+{
+}
+
+JSValue JSValueWrapper::GetValue()
+{
+    return fValue.get();
+}
+
+void JSValueWrapper::GetJSObectCallBacks(JSObjectCallBacks& callBacks)
+{
+    callBacks.dispose = (JSObjectDisposeProcPtr)JSValueWrapper::JSObjectDispose;
+    callBacks.equal = (JSObjectEqualProcPtr)0;
+    callBacks.copyPropertyNames = (JSObjectCopyPropertyNamesProcPtr)JSValueWrapper::JSObjectCopyPropertyNames;
+    callBacks.copyCFValue = (JSObjectCopyCFValueProcPtr)JSValueWrapper::JSObjectCopyCFValue;
+    callBacks.copyProperty = (JSObjectCopyPropertyProcPtr)JSValueWrapper::JSObjectCopyProperty;
+    callBacks.setProperty = (JSObjectSetPropertyProcPtr)JSValueWrapper::JSObjectSetProperty;
+    callBacks.callFunction = (JSObjectCallFunctionProcPtr)JSValueWrapper::JSObjectCallFunction;
+}
+
+void JSValueWrapper::JSObjectDispose(void *data)
+{
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    delete ptr;
+}
+
+
+CFArrayRef JSValueWrapper::JSObjectCopyPropertyNames(void *data)
+{
+    JSGlueAPIEntry entry;
+
+    CFMutableArrayRef result = 0;
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    if (ptr)
+    {
+        ExecState* exec = getThreadGlobalExecState();
+        JSObject* object = ptr->GetValue().toObject(exec);
+        PropertyNameArray propNames(exec);
+        object->getPropertyNames(exec, propNames);
+        PropertyNameArray::const_iterator iterator = propNames.begin();
+
+        while (iterator != propNames.end()) {
+            Identifier name = *iterator;
+            CFStringRef nameStr = IdentifierToCFString(name);
+
+            if (!result)
+            {
+                result = CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks);
+            }
+            if (result && nameStr)
+            {
+                CFArrayAppendValue(result, nameStr);
+            }
+            ReleaseCFType(nameStr);
+            iterator++;
+        }
+
+    }
+    return result;
+}
+
+
+JSObjectRef JSValueWrapper::JSObjectCopyProperty(void *data, CFStringRef propertyName)
+{
+    JSGlueAPIEntry entry;
+
+    JSObjectRef result = 0;
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    if (ptr)
+    {
+        ExecState* exec = getThreadGlobalExecState();
+        JSValue propValue = ptr->GetValue().toObject(exec)->get(exec, CFStringToIdentifier(propertyName, exec));
+        JSValueWrapper* wrapperValue = new JSValueWrapper(propValue);
+
+        JSObjectCallBacks callBacks;
+        GetJSObectCallBacks(callBacks);
+        result = JSObjectCreateInternal(wrapperValue, &callBacks, JSValueWrapper::JSObjectMark, kJSUserObjectDataTypeJSValueWrapper);
+
+        if (!result)
+        {
+            delete wrapperValue;
+        }
+    }
+    return result;
+}
+
+void JSValueWrapper::JSObjectSetProperty(void *data, CFStringRef propertyName, JSObjectRef jsValue)
+{
+    JSGlueAPIEntry entry;
+
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    if (ptr)
+    {
+        ExecState* exec = getThreadGlobalExecState();
+        JSValue value = JSObjectKJSValue((JSUserObject*)jsValue);
+        JSObject *objValue = ptr->GetValue().toObject(exec);
+        PutPropertySlot slot;
+        objValue->put(exec, CFStringToIdentifier(propertyName, exec), value, slot);
+    }
+}
+
+JSObjectRef JSValueWrapper::JSObjectCallFunction(void *data, JSObjectRef thisObj, CFArrayRef args)
+{
+    JSGlueAPIEntry entry;
+
+    JSObjectRef result = 0;
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    if (ptr)
+    {
+        ExecState* exec = getThreadGlobalExecState();
+
+        JSValue value = JSObjectKJSValue((JSUserObject*)thisObj);
+        JSObject* ksjThisObj = value.toObject(exec);
+        JSObject* objValue = ptr->GetValue().toObject(exec);
+
+        MarkedArgumentBuffer listArgs;
+        CFIndex argCount = args ? CFArrayGetCount(args) : 0;
+        for (CFIndex i = 0; i < argCount; i++)
+        {
+            JSObjectRef jsArg = (JSObjectRef)CFArrayGetValueAtIndex(args, i);
+            JSValue kgsArg = JSObjectKJSValue((JSUserObject*)jsArg);
+            listArgs.append(kgsArg);
+        }
+
+        CallData callData;
+        CallType callType = objValue->getCallData(callData);
+        if (callType == CallTypeNone)
+            return 0;
+        JSValue  resultValue = call(exec, objValue, callType, callData, ksjThisObj, listArgs);
+        JSValueWrapper* wrapperValue = new JSValueWrapper(resultValue);
+        JSObjectCallBacks callBacks;
+        GetJSObectCallBacks(callBacks);
+        result = JSObjectCreate(wrapperValue, &callBacks);
+        if (!result)
+        {
+            delete wrapperValue;
+        }
+    }
+    return result;
+}
+
+CFTypeRef JSValueWrapper::JSObjectCopyCFValue(void *data)
+{
+    JSGlueAPIEntry entry;
+
+    CFTypeRef result = 0;
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    if (ptr)
+    {
+        result = KJSValueToCFType(ptr->GetValue(), getThreadGlobalExecState());
+    }
+    return result;
+}
+
+void JSValueWrapper::JSObjectMark(void *data)
+{
+    JSValueWrapper* ptr = (JSValueWrapper*)data;
+    if (ptr)
+    {
+        // This results in recursive marking but will be otherwise safe and correct.
+        // We claim the array vptr is 0 because we don't have access to it here, and
+        // claiming 0 is functionally harmless -- it merely means that we can't
+        // devirtualise marking of arrays when recursing from this point.
+        MarkStack markStack(0);
+        markStack.append(ptr->fValue.get());
+        markStack.drain();
+    }
+}