bool JSRequestAnimationFrameCallback::handleEvent(double highResTime)
{
    if (!canInvokeCallback())
        return true;

    Ref<JSRequestAnimationFrameCallback> protect(*this);

    JSLockHolder lock(m_data->globalObject()->vm());

    ExecState* exec = m_data->globalObject()->globalExec();
    UNUSED_PARAM(exec);
    MarkedArgumentBuffer args;
    args.append(jsNumber(highResTime));

    bool raisedException = false;
    m_data->invokeCallback(args, &raisedException);
    return !raisedException;
}