Implement the BackgroundFetch{Fail,ed} Service Worker events

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";
 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 PlatformNotificationData;
 
 [Native]
 struct PushEventPayload;
 
 [Native]
 struct ServiceWorkerFetchRequest;
 
 [Native]
+struct ServiceWorkerResponse;
+
+[Native]
 struct ExtendableMessageEventSource;
 
+// TODO(peter): Move this to Blink when both ServiceWorkerFetchRequest and
+// ServiceWorkerResponse have Mojo counterparts.
+struct BackgroundFetchSettledFetch {
+  ServiceWorkerFetchRequest request;
+  ServiceWorkerResponse response;
+};
+
 enum BackgroundFetchState {
   PENDING,
   SUCCEEDED,
   FAILED
 };
 
 struct FetchEventPreloadHandle {
   URLLoader url_loader;
   URLLoaderClient& url_loader_client_request;
 };
@@ skipping 10 matching lines @@
 interface ServiceWorkerEventDispatcher {
   DispatchActivateEvent()
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
   DispatchBackgroundFetchAbortEvent(string tag)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
   DispatchBackgroundFetchClickEvent(string tag, BackgroundFetchState state)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
+  DispatchBackgroundFetchFailEvent(string tag,
+                                   array<BackgroundFetchSettledFetch> fetches)
+      => (blink.mojom.ServiceWorkerEventStatus status,
+          mojo.common.mojom.Time dispatch_event_time);
+  DispatchBackgroundFetchedEvent(string tag,
+                                 array<BackgroundFetchSettledFetch> fetches)
+      => (blink.mojom.ServiceWorkerEventStatus status,
+          mojo.common.mojom.Time dispatch_event_time);
   // |fetch_event_id| is used internally when sending the response back to the
   // browser process.
   DispatchFetchEvent(int32 fetch_event_id, ServiceWorkerFetchRequest request,
                      FetchEventPreloadHandle? preload_handle)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
   DispatchNotificationClickEvent(string notification_id,
                                  PlatformNotificationData notification_data,
                                  int32 action_index,
                                  mojo.common.mojom.String16? reply)
@@ skipping 18 matching lines @@
   DispatchExtendableMessageEvent(ExtendableMessageEvent event)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
 
   // Pings the service worker to check if it is responsive. If the callback is
   // not called within a certain period of time, the browser will terminate the
   // worker. Unlike the other functions in this interface, Ping() does not
   // dispatch an event.
   Ping() => ();
 };