static v8::Handle<v8::Value> onerrorAttrGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.WorkerContext.onerror._get");
    WorkerContext* imp = V8WorkerContext::toNative(info.Holder());
    return imp->onerror() ? v8::Handle<v8::Value>(static_cast<V8AbstractEventListener*>(imp->onerror())->getListenerObject(imp->scriptExecutionContext())) : v8::Handle<v8::Value>(v8::Null());
}