--- /dev/null
+<?php
+
+namespace Drupal\field;
+
+use Drupal\Core\Entity\EntityAccessControlHandler;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
+
+/**
+ * Defines the access control handler for the field config entity type.
+ *
+ * @see \Drupal\field\Entity\FieldConfig
+ */
+class FieldConfigAccessControlHandler extends EntityAccessControlHandler {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
+ // Delegate access control to the underlying field storage config entity:
+ // the field config entity merely handles configuration for a particular
+ // bundle of an entity type, the bulk of the logic and configuration is with
+ // the field storage config entity. Therefore, if an operation is allowed on
+ // a certain field storage config entity, it should also be allowed for all
+ // associated field config entities.
+ // @see \Drupal\Core\Field\FieldDefinitionInterface
+ /** \Drupal\field\FieldConfigInterface $entity */
+ $field_storage_entity = $entity->getFieldStorageDefinition();
+ return $field_storage_entity->access($operation, $account, TRUE);
+ }
+
+}