Issue #2095681 by RoSk0: Modernize EntityConfirmFormBase to use FormBase methods.

core/lib/Drupal/Core/Entity/EntityConfirmFormBase.php

@@ -27,21 +27,21 @@ public function getBaseFormID() {
    * {@inheritdoc}
    */
   public function getDescription() {
-    return t('This action cannot be undone.');
+    return $this->t('This action cannot be undone.');
   }
 
   /**
    * {@inheritdoc}
    */
   public function getConfirmText() {
-    return t('Confirm');
+    return $this->t('Confirm');
   }
 
   /**
    * {@inheritdoc}
    */
   public function getCancelText() {
-    return t('Cancel');
+    return $this->t('Cancel');
   }
 
   /**