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diff --git a/WebCore/bindings/js/JSWebGLArrayHelper.h b/WebCore/bindings/js/JSWebGLArrayHelper.h
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+++ b/WebCore/bindings/js/JSWebGLArrayHelper.h
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+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2009 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:
+ * 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 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 JSWebGLArrayHelper_h
+#define JSWebGLArrayHelper_h
+
+#include <interpreter/CallFrame.h>
+#include <runtime/ArgList.h>
+#include <runtime/Error.h>
+#include <runtime/JSObject.h>
+#include <runtime/JSValue.h>
+
+namespace WebCore {
+
+template <class T>
+JSC::JSValue setWebGLArrayFromArray(JSC::ExecState* exec, T* webGLArray, JSC::ArgList const& args)
+{
+    if (args.at(0).isObject()) {
+        // void set(in sequence<long> array, [Optional] in unsigned long offset);
+        JSC::JSObject* array = JSC::asObject(args.at(0));
+        unsigned offset = 0;
+        if (args.size() == 2)
+            offset = args.at(1).toInt32(exec);
+        int length = array->get(exec, JSC::Identifier(exec, "length")).toInt32(exec);
+        for (int i = 0; i < length; i++) {
+            JSC::JSValue v = array->get(exec, i);
+            if (exec->hadException())
+                return JSC::jsUndefined();
+            webGLArray->set(i + offset, v.toNumber(exec));
+        }
+
+        return JSC::jsUndefined();
+    }
+
+    return JSC::throwError(exec, JSC::SyntaxError);
+}
+
+}
+
+#endif // JSWebGLArrayHelper_h