diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSCanvasRenderingContextCustom.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSCanvasRenderingContextCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2009 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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. 
+ */
+
+#include "config.h"
+#include "JSCanvasRenderingContext.h"
+
+#include "CanvasRenderingContext2D.h"
+#include "JSCanvasRenderingContext2D.h"
+#if ENABLE(3D_CANVAS)
+#include "WebGLRenderingContext.h"
+#include "JSWebGLRenderingContext.h"
+#endif
+
+using namespace JSC;
+
+namespace WebCore {
+
+JSC::JSValue toJS(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, CanvasRenderingContext* object)
+{
+    if (!object)
+        return jsUndefined();
+
+#if ENABLE(3D_CANVAS)
+    if (object->is3d())
+        return getDOMObjectWrapper<JSWebGLRenderingContext>(exec, globalObject, static_cast<WebGLRenderingContext*>(object));
+#endif
+    ASSERT(object->is2d());
+    return getDOMObjectWrapper<JSCanvasRenderingContext2D>(exec, globalObject, static_cast<CanvasRenderingContext2D*>(object));
+}
+
+} // namespace WebCore