PaymentApp: Add interfaces for implementing InvokePaymentApp().

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/payment_app.mojom";
 import "content/common/url_loader.mojom";
 import "mojo/common/string16.mojom";
 import "mojo/common/time.mojom";
 import "third_party/WebKit/public/platform/modules/background_sync/background_sync.mojom";
 import "third_party/WebKit/public/platform/modules/serviceworker/service_worker_event_status.mojom";
 import "url/mojo/origin.mojom";
 
 [Native]
 struct ServiceWorkerFetchRequest;
 
@@ skipping 21 matching lines @@
   DispatchFetchEvent(int32 fetch_event_id, ServiceWorkerFetchRequest request,
                      FetchEventPreloadHandle? preload_handle)
       => (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.PaymentAppRequestData data)
+      => (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);
 };