diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/js/JSCustomPositionCallback.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSCustomPositionCallback.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 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.
+ *
+ * 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 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 "JSCustomPositionCallback.h"
+
+#if ENABLE(GEOLOCATION)
+
+#include "Frame.h"
+#include "JSGeoposition.h"
+#include "ScriptController.h"
+#include <runtime/JSLock.h>
+
+namespace WebCore {
+
+using namespace JSC;
+
+JSCustomPositionCallback::JSCustomPositionCallback(JSObject* callback, JSDOMGlobalObject* globalObject)
+    : PositionCallback(globalObject->scriptExecutionContext())
+    , m_data(callback, globalObject)
+{
+}
+
+void JSCustomPositionCallback::handleEvent(Geoposition* geoposition)
+{
+    // ActiveDOMObject will null our pointer to the ScriptExecutionContext when it goes away.
+    if (!scriptExecutionContext())
+        return;
+
+    RefPtr<JSCustomPositionCallback> protect(this);
+
+    JSC::JSLock lock(SilenceAssertionsOnly);
+    ExecState* exec = m_data.globalObject()->globalExec();
+    MarkedArgumentBuffer args;
+    args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), geoposition));
+    m_data.invokeCallback(args);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(GEOLOCATION)