ServiceWorker: Introduce ExtendableMessageEvent to replace MessageEvent

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 <vector>
 
 #include "base/id_map.h"
@@ skipping 111 matching lines @@
                          const GURL& source_url);
   void OnReportConsoleMessage(
       int embedded_worker_id,
       const EmbeddedWorkerHostMsg_ReportConsoleMessage_Params& params);
   void OnIncrementServiceWorkerRefCount(int handle_id);
   void OnDecrementServiceWorkerRefCount(int handle_id);
   void OnIncrementRegistrationRefCount(int registration_handle_id);
   void OnDecrementRegistrationRefCount(int registration_handle_id);
   void OnPostMessageToWorker(
       int handle_id,
+      int provider_id,
       const base::string16& message,
       const std::vector<TransferredMessagePort>& sent_message_ports);
   void OnServiceWorkerObjectDestroyed(int handle_id);
   void OnTerminateWorker(int handle_id);
 
   ServiceWorkerRegistrationHandle* FindRegistrationHandle(
       int provider_id,
       int64 registration_id);
 
   void GetRegistrationObjectInfoAndVersionAttributes(
@@ skipping 63 matching lines @@
 
   bool channel_ready_;  // True after BrowserMessageFilter::sender_ != NULL.
   ScopedVector<IPC::Message> pending_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_