/**
* Attempt to deny a pending payment
*
* @param Mage_Sales_Model_Order_Payment $payment
* @return bool
*/
public function denyPayment(Mage_Payment_Model_Info $payment)
{
parent::denyPayment($payment);
return $this->_pro->reviewPayment($payment, Mage_Paypal_Model_Pro::PAYMENT_REVIEW_DENY);
}