diff -r 000000000000 -r 6474c204b198 dom/payment/interfaces/nsINavigatorPayment.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/payment/interfaces/nsINavigatorPayment.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "domstubs.idl"
+
+interface nsIDOMDOMRequest;
+
+[scriptable, uuid(44fb7308-7d7b-4975-8a27-e01fe9623bdb)]
+interface nsINavigatorPayment : nsISupports
+{
+  // The 'jwts' parameter can be either a single DOMString or an array of
+  // DOMStrings. In both cases, it represents the base64url encoded and
+  // digitally signed payment information. Each payment provider should
+  // define its supported JWT format.
+  nsIDOMDOMRequest pay(in jsval jwts);
+};