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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 PushEventPayload;
 
 [Native]
 struct ServiceWorkerFetchRequest;
 
 [Native]
 struct ExtendableMessageEventSource;
 
 struct FetchEventPreloadHandle {
   URLLoader url_loader;
   URLLoaderClient& url_loader_client_request;
+  double sent_timestamp;
+  double sent_wall_time;

[falken, 2017/01/17 14:38:36]

Could these use mojo.common.mojom.Time?

[horo, 2017/01/18 14:25:02]

Done.

 };
 
 struct ExtendableMessageEvent {
   mojo.common.mojom.String16 message;
   url.mojom.Origin source_origin;
   array<int32> message_ports;
   array<int32> new_routing_ids;
   ExtendableMessageEventSource source;
 };
 
@@ skipping 15 matching lines @@
                     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);
 };