MAGETWO-53305: [Staging] When update was applied Cross-Sells data are not displayed in the shopping cart

Author: Mulderua

app/code/Magento/Catalog/Model/ResourceModel/Product/Link/Product/Collection.php

@@ -425,8 +425,9 @@ public function addLinkAttributeToFilter($code, $condition)
     /**
      * Get MetadataPool instance
      * @return MetadataPool
+     * @deprecated
      */
-    protected function getMetadataPool()
+    private function getMetadataPool()
     {
         if (!$this->metadataPool) {
             $this->metadataPool = ObjectManager::getInstance()->get(MetadataPool::class);