ServiceWorker: Add initial implementation of ExtendableMessageEvent behind a flag

third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 37 matching lines @@
 
 // A proxy interface to talk to the worker's GlobalScope implementation.
 // All methods of this class must be called on the worker thread.
 class WebServiceWorkerContextProxy {
 public:
     virtual ~WebServiceWorkerContextProxy() { }
 
     virtual void setRegistration(WebPassOwnPtr<WebServiceWorkerRegistration::Handle>) = 0;
 
     virtual void dispatchActivateEvent(int eventID) = 0;
-    // FIXME: This needs to pass the active service worker info.
-    virtual void dispatchInstallEvent(int installEventID) = 0;
-    virtual void dispatchFetchEvent(int fetchEventID, const WebServiceWorkerRequest& webRequest) = 0;
-    virtual void dispatchForeignFetchEvent(int fetchEventID, const WebServiceWorkerRequest& webRequest) = 0;
-
+    virtual void dispatchExtendableMessageEvent(int eventID, const WebString& message, const WebMessagePortChannelArray&) = 0;
+    virtual void dispatchInstallEvent(int eventID) = 0;
+    virtual void dispatchFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest) = 0;
+    virtual void dispatchForeignFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest) = 0;
     virtual void dispatchGeofencingEvent(int eventID, WebGeofencingEventType, const WebString& regionID, const WebCircularGeofencingRegion&) = 0;
 
-    virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray& channels) = 0;
+    // TODO(nhiroki): Remove this after ExtendableMessageEvent is enabled by
+    // default (crbug.com/543198).
+    virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) = 0;
 
     virtual void dispatchNotificationClickEvent(int eventID, int64_t notificationID, const WebNotificationData&, int actionIndex) = 0;
-
     virtual void dispatchPushEvent(int eventID, const WebString& data) = 0;
-
     virtual void dispatchCrossOriginMessageEvent(const WebCrossOriginServiceWorkerClient&, const WebString& message, const WebMessagePortChannelArray&) = 0;
 
     // Passes ownership of the callbacks.
     virtual void dispatchServicePortConnectEvent(WebServicePortConnectEventCallbacks*, const WebURL& targetURL, const WebString& origin, WebServicePortID) = 0;
 
     enum LastChanceOption {
         IsNotLastChance,
         IsLastChance
     };
 
     // Once the ServiceWorker has finished handling the sync event,
     // didHandleSyncEvent is called on the context client.
     virtual void dispatchSyncEvent(int syncEventID, const WebSyncRegistration&, LastChanceOption) = 0;
 };
 
 } // namespace blink
 
 #endif // WebServiceWorkerContextProxy_h