Add IPC stubs between browser and ServiceWorker's worker context in the child process

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 "base/memory/weak_ptr.h"
 #include "content/browser/service_worker/service_worker_registration_status.h"
 #include "content/public/browser/browser_message_filter.h"
@@ skipping 28 matching lines @@
   // IPC Message handlers
   void OnRegisterServiceWorker(int32 thread_id,
                                int32 request_id,
                                const GURL& pattern,
                                const GURL& script_url);
   void OnUnregisterServiceWorker(int32 thread_id,
                                  int32 request_id,
                                  const GURL& pattern);
   void OnProviderCreated(int provider_id);
   void OnProviderDestroyed(int provider_id);
+  void OnWorkerStarted(int thread_id,
+                       int embedded_worker_id);
+  void OnWorkerStopped(int embedded_worker_id);
 
   // Callbacks from ServiceWorkerContextCore
   void RegistrationComplete(int32 thread_id,
                             int32 request_id,
                             ServiceWorkerRegistrationStatus status,
                             int64 registration_id);
 
   void UnregistrationComplete(int32 thread_id,
                               int32 request_id,
                               ServiceWorkerRegistrationStatus status);
 
   void SendRegistrationError(int32 thread_id,
                              int32 request_id,
                              ServiceWorkerRegistrationStatus status);
   int render_process_id_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_