Total.php

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<?php
namespace Magento\Msrp\Block;

class Total extends \Magento\Framework\View\Element\Template
{
    protected $config;

    protected $msrp;

    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Magento\Msrp\Model\Config $config,
        \Magento\Msrp\Model\Quote\Msrp $msrp,
        array $data = []
    ) {
        parent::__construct($context, $data);
        $this->config = $config;
        $this->msrp = $msrp;
    }

    protected function _toHtml()
    {
        $originalBlock = $this->getLayout()->getBlock($this->getOriginalBlockName());
        $quote = $originalBlock->getQuote();
        if (!$this->msrp->getCanApplyMsrp($quote->getId()) && $this->config->isEnabled()) {
            $quote->collectTotals();
        }
        if ($this->msrp->getCanApplyMsrp($quote->getId())) {
            $originalBlock->setTemplate('');
            return parent::_toHtml();
        } else {
            return '';
        }
    }
}