diff -r 000000000000 -r 1918ee327afb src/3rdparty/webkit/JavaScriptCore/runtime/BooleanPrototype.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/BooleanPrototype.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,83 @@
+/*
+ *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2003, 2008 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "config.h"
+#include "BooleanPrototype.h"
+
+#include "Error.h"
+#include "JSFunction.h"
+#include "JSString.h"
+#include "ObjectPrototype.h"
+#include "PrototypeFunction.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(BooleanPrototype);
+
+// Functions
+static JSValue JSC_HOST_CALL booleanProtoFuncToString(ExecState*, JSObject*, JSValue, const ArgList&);
+static JSValue JSC_HOST_CALL booleanProtoFuncValueOf(ExecState*, JSObject*, JSValue, const ArgList&);
+
+// ECMA 15.6.4
+
+BooleanPrototype::BooleanPrototype(ExecState* exec, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure)
+    : BooleanObject(structure)
+{
+    setInternalValue(jsBoolean(false));
+
+    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, booleanProtoFuncToString), DontEnum);
+    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, booleanProtoFuncValueOf), DontEnum);
+}
+
+
+// ------------------------------ Functions --------------------------
+
+// ECMA 15.6.4.2 + 15.6.4.3
+
+JSValue JSC_HOST_CALL booleanProtoFuncToString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
+{
+    if (thisValue == jsBoolean(false))
+        return jsNontrivialString(exec, "false");
+
+    if (thisValue == jsBoolean(true))
+        return jsNontrivialString(exec, "true");
+
+    if (!thisValue.inherits(&BooleanObject::info))
+        return throwError(exec, TypeError);
+
+    if (asBooleanObject(thisValue)->internalValue() == jsBoolean(false))
+        return jsNontrivialString(exec, "false");
+
+    ASSERT(asBooleanObject(thisValue)->internalValue() == jsBoolean(true));
+    return jsNontrivialString(exec, "true");
+}
+
+JSValue JSC_HOST_CALL booleanProtoFuncValueOf(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
+{
+    if (thisValue.isBoolean())
+        return thisValue;
+
+    if (!thisValue.inherits(&BooleanObject::info))
+        return throwError(exec, TypeError);
+
+    return asBooleanObject(thisValue)->internalValue();
+}
+
+} // namespace JSC