Explicitly support cancel recurring

CRM/Core/Payment/Stripe.php

@@ -153,6 +153,18 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
     return TRUE;
   }
 
+  /**
+   * Does this processor support cancelling recurring contributions through code.
+   *
+   * If the processor returns true it must be possible to take action from within CiviCRM
+   * that will result in no further payments being processed.
+   *
+   * @return bool
+   */
+  protected function supportsCancelRecurring() {
+    return TRUE;
+  }
+
   /**
    * Does the processor support the user having a choice as to whether to cancel the recurring with the processor?
    *