Prevent a service worker from keeping itself alive by self postMessage.

content/browser/service_worker/service_worker_dispatcher_host.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "base/optional.h"
 #include "base/strings/string16.h"
 #include "content/browser/service_worker/service_worker_registration_status.h"
 #include "content/common/service_worker/service_worker.mojom.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "mojo/public/cpp/bindings/associated_binding_set.h"
 
 class GURL;
 struct EmbeddedWorkerHostMsg_ReportConsoleMessage_Params;
 
@@ skipping 155 matching lines @@
       const url::Origin& source_origin,
       const std::vector<int>& sent_message_ports,
       ServiceWorkerProviderHost* sender_provider_host,
       const StatusCallback& callback);
   template <typename SourceInfo>
   void DispatchExtendableMessageEventInternal(
       scoped_refptr<ServiceWorkerVersion> worker,
       const base::string16& message,
       const url::Origin& source_origin,
       const std::vector<int>& sent_message_ports,
+      const base::Optional<base::TimeDelta>& timeout,
       const StatusCallback& callback,
       const SourceInfo& source_info);
   void DispatchExtendableMessageEventAfterStartWorker(
       scoped_refptr<ServiceWorkerVersion> worker,
       const base::string16& message,
       const url::Origin& source_origin,
       const std::vector<int>& sent_message_ports,
       const ExtendableMessageEventSource& source,
+      const base::Optional<base::TimeDelta>& timeout,
       const StatusCallback& callback);
   template <typename SourceInfo>
   void DidFailToDispatchExtendableMessageEvent(
       const std::vector<int>& sent_message_ports,
       const SourceInfo& source_info,
       const StatusCallback& callback,
       ServiceWorkerStatusCode status);
   void ReleaseSourceInfo(const ServiceWorkerClientInfo& source_info);
   void ReleaseSourceInfo(const ServiceWorkerObjectInfo& source_info);
 
@@ skipping 78 matching lines @@
   mojo::AssociatedBindingSet<mojom::ServiceWorkerDispatcherHost> bindings_;
 
   base::WeakPtrFactory<ServiceWorkerDispatcherHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_