[ServiceWorker] Mojofy PushEvent of Service Worker.

content/common/service_worker/service_worker_event_dispatcher.mojom

Index: content/common/service_worker/service_worker_event_dispatcher.mojom
diff --git a/content/common/service_worker/service_worker_event_dispatcher.mojom b/content/common/service_worker/service_worker_event_dispatcher.mojom
index d878916e6a84a859cb0c0e560a43df803fd3596d..6d11ed8b035bd1e62e634f300ca76fb45c716559 100644
--- a/content/common/service_worker/service_worker_event_dispatcher.mojom
+++ b/content/common/service_worker/service_worker_event_dispatcher.mojom
@@ -12,6 +12,9 @@ import "third_party/WebKit/public/platform/modules/serviceworker/service_worker_
 import "url/mojo/origin.mojom";
 
 [Native]
+struct PushEventPayload;
+
+[Native]
 struct ServiceWorkerFetchRequest;
 
 [Native]
@@ -39,6 +42,9 @@ interface ServiceWorkerEventDispatcher {
                      FetchEventPreloadHandle? preload_handle)
       => (blink.mojom.ServiceWorkerEventStatus status,
           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,