diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/ScriptValue.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/ScriptValue.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 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. 
+ * 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 "ScriptValue.h"
+
+#include "SerializedScriptValue.h"
+
+#include <JavaScriptCore/APICast.h>
+#include <JavaScriptCore/JSValueRef.h>
+
+#include <runtime/JSLock.h>
+#include <runtime/Protect.h>
+#include <runtime/UString.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+bool ScriptValue::getString(ScriptState* scriptState, String& result) const
+{
+    if (!m_value)
+        return false;
+    JSLock lock(SilenceAssertionsOnly);
+    UString ustring;
+    if (!m_value.get().getString(scriptState, ustring))
+        return false;
+    result = ustringToString(ustring);
+    return true;
+}
+
+bool ScriptValue::isEqual(ScriptState* scriptState, const ScriptValue& anotherValue) const
+{
+    if (hasNoValue())
+        return anotherValue.hasNoValue();
+
+    return JSValueIsEqual(toRef(scriptState), toRef(scriptState, jsValue()), toRef(scriptState, anotherValue.jsValue()), 0);
+}
+
+bool ScriptValue::isNull() const
+{
+    if (!m_value)
+        return false;
+    return m_value.get().isNull();
+}
+
+bool ScriptValue::isUndefined() const
+{
+    if (!m_value)
+        return false;
+    return m_value.get().isUndefined();
+}
+
+bool ScriptValue::isObject() const
+{
+    if (!m_value)
+        return false;
+    return m_value.get().isObject();
+}
+
+PassRefPtr<SerializedScriptValue> ScriptValue::serialize(ScriptState* scriptState)
+{
+    return SerializedScriptValue::create(scriptState, jsValue());
+}
+
+ScriptValue ScriptValue::deserialize(ScriptState* scriptState, SerializedScriptValue* value)
+{
+    return ScriptValue(value->deserialize(scriptState, scriptState->lexicalGlobalObject()));
+}
+
+} // namespace WebCore