--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSIDBKeyCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2010 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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.
+ */
+
+#include "config.h"
+
+#if ENABLE(INDEXED_DATABASE)
+#include "JSIDBKey.h"
+
+#include "IDBBindingUtilities.h"
+#include "IDBKey.h"
+
+using namespace JSC;
+
+namespace WebCore {
+
+JSValue toJS(ExecState* exec, JSDOMGlobalObject*, IDBKey* key)
+{
+    if (!key)
+        return jsNull();
+
+    switch (key->type()) {
+    case IDBKey::NullType:
+        return jsNull();
+    case IDBKey::NumberType:
+        return jsNumber(exec, key->number());
+    case IDBKey::StringType:
+        return jsString(exec, key->string());
+    // FIXME: Implement dates.
+    }
+
+    ASSERT_NOT_REACHED();
+    return jsUndefined();
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)