/**
  * @param \Magento\Framework\View\Element\Template\Context $context
  * @param \Magento\Framework\Registry $registry
  * @param \Magento\Framework\App\Http\Context $httpContext
  * @param \Magento\Payment\Helper\Data $paymentHelper
  * @param array $data
  */
 public function __construct(\Magento\Framework\View\Element\Template\Context $context, \Magento\Framework\Registry $registry, \Magento\Framework\App\Http\Context $httpContext, \Magento\Payment\Helper\Data $paymentHelper, array $data = [])
 {
     $this->_paymentHelper = $paymentHelper;
     $this->httpContext = $httpContext;
     parent::__construct($context, $registry, $data);
     $this->_isScopePrivate = true;
 }