diff -r 000000000000 -r 6474c204b198 dom/payment/interfaces/nsIPaymentUIGlue.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/payment/interfaces/nsIPaymentUIGlue.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* 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 "nsISupports.idl"
+
+interface nsIPaymentFlowInfo;
+
+[scriptable, function, uuid(b9afa678-71a5-4975-bcdb-0c4098730eff)]
+interface nsIPaymentUIGlueCallback : nsISupports
+{
+    void onresult(in DOMString requestId, in DOMString result);
+};
+
+[scriptable, uuid(4dda9aa0-df88-4dcd-a583-199e516fa438)]
+interface nsIPaymentUIGlue : nsISupports
+{
+    // The 'paymentRequestsInfo' contains the payment request information
+    // for each JWT provided via navigator.mozPay call.
+    void confirmPaymentRequest(in DOMString requestId,
+                               in jsval paymentRequestsInfo,
+                               in nsIPaymentUIGlueCallback successCb,
+                               in nsIPaymentUIGlueCallback errorCb);
+
+    void showPaymentFlow(in DOMString requestId,
+                         in nsIPaymentFlowInfo paymentFlowInfo,
+                         in nsIPaymentUIGlueCallback errorCb);
+
+    void cleanup();
+};