PaymentApp: Implement respondWith() in PaymentRequestEvent. (content side)

content/common/service_worker/service_worker_event_dispatcher.mojom

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module content.mojom;
 
 import "components/payments/content/payment_app.mojom";
 import "content/common/url_loader.mojom";
 import "mojo/common/string16.mojom";
 import "mojo/common/time.mojom";
@@ skipping 49 matching lines @@
           mojo.common.mojom.Time dispatch_event_time);
   DispatchPushEvent(PushEventPayload payload)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
   // Arguments are passed to the event handler as parameters of SyncEvent.
   // Ref: https://wicg.github.io/BackgroundSync/spec/#sync-event
   DispatchSyncEvent(string tag,
                     blink.mojom.BackgroundSyncEventLastChance last_chance)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
-  DispatchPaymentRequestEvent(payments.mojom.PaymentAppRequest app_request)
+  DispatchPaymentRequestEvent(int32 payment_request_id,
+                              payments.mojom.PaymentAppRequest app_request,
+                              payments.mojom.PaymentAppResponseCallback response_callback)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
   DispatchExtendableMessageEvent(ExtendableMessageEvent event)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
 };