ServiceWorker: Add initial implementation of ExtendableMessageEvent behind a flag

content/renderer/service_worker/service_worker_context_client.h

 // Copyright 2014 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_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 110 matching lines @@
                             int level,
                             const blink::WebString& message,
                             int line_number,
                             const blink::WebString& source_url) override;
   void sendDevToolsMessage(int session_id,
                            int call_id,
                            const blink::WebString& message,
                            const blink::WebString& state) override;
   void didHandleActivateEvent(int request_id,
                               blink::WebServiceWorkerEventResult) override;
+  void didHandleExtendableMessageEvent(
+      int request_id,
+      blink::WebServiceWorkerEventResult result) override;
   void didHandleInstallEvent(
       int request_id,
       blink::WebServiceWorkerEventResult result) override;
   void didHandleFetchEvent(int request_id) override;
   void didHandleFetchEvent(
       int request_id,
       const blink::WebServiceWorkerResponse& response) override;
   void didHandleNotificationClickEvent(
       int request_id,
       blink::WebServiceWorkerEventResult result) override;
@@ skipping 38 matching lines @@
   // in the browser process.
   int GetRoutingID() const { return embedded_worker_id_; }
 
   void Send(IPC::Message* message);
   void SendWorkerStarted();
   void SetRegistrationInServiceWorkerGlobalScope(
       const ServiceWorkerRegistrationObjectInfo& info,
       const ServiceWorkerVersionAttributes& attrs);
 
   void OnActivateEvent(int request_id);
+  void OnExtendableMessageEvent(
+      int request_id,
+      const base::string16& message,
+      const std::vector<TransferredMessagePort>& sent_message_ports,
+      const std::vector<int>& new_routing_ids);
   void OnInstallEvent(int request_id);
   void OnFetchEvent(int request_id, const ServiceWorkerFetchRequest& request);
   void OnNotificationClickEvent(
       int request_id,
       int64_t persistent_notification_id,
       const PlatformNotificationData& notification_data,
       int action_index);
   void OnPushEvent(int request_id, const PushEventPayload& payload);
   void OnGeofencingEvent(int request_id,
                          blink::WebGeofencingEventType event_type,
                          const std::string& region_id,
                          const blink::WebCircularGeofencingRegion& region);
+
+  // TODO(nhiroki): Remove this after ExtendableMessageEvent is enabled by
+  // default (crbug.com/543198).
   void OnPostMessage(
       const base::string16& message,
       const std::vector<TransferredMessagePort>& sent_message_ports,
       const std::vector<int>& new_routing_ids);
+
   void OnCrossOriginMessageToWorker(
       const NavigatorConnectClient& client,
       const base::string16& message,
       const std::vector<TransferredMessagePort>& sent_message_ports,
       const std::vector<int>& new_routing_ids);
   void OnDidGetClients(
       int request_id, const std::vector<ServiceWorkerClientInfo>& clients);
   void OnOpenWindowResponse(int request_id,
                             const ServiceWorkerClientInfo& client);
   void OnOpenWindowError(int request_id, const std::string& message);
@@ skipping 28 matching lines @@
   // Initialized on the worker thread in workerContextStarted and
   // destructed on the worker thread in willDestroyWorkerContext.
   scoped_ptr<WorkerContextData> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_