Dispatch the ServiceWorker "activate" event during activation

Source/web/ServiceWorkerGlobalScopeClientImpl.cpp

 /*
  * Copyright (C) 2014 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 30 matching lines @@
 
 PassOwnPtr<WebCore::ServiceWorkerGlobalScopeClient> ServiceWorkerGlobalScopeClientImpl::create(PassOwnPtr<WebServiceWorkerContextClient> client)
 {
     return adoptPtr(new ServiceWorkerGlobalScopeClientImpl(client));
 }
 
 ServiceWorkerGlobalScopeClientImpl::~ServiceWorkerGlobalScopeClientImpl()
 {
 }
 
+void ServiceWorkerGlobalScopeClientImpl::didHandleActivateEvent(int eventID, WebServiceWorkerEventResult result)
+{
+    m_client->didHandleActivateEvent(eventID, result);
+}
+
 void ServiceWorkerGlobalScopeClientImpl::didHandleInstallEvent(int installEventID, WebServiceWorkerEventResult result)
 {
     m_client->didHandleInstallEvent(installEventID, result);
 }
 
 void ServiceWorkerGlobalScopeClientImpl::didHandleFetchEvent(int fetchEventID, PassRefPtr<WebCore::Response> response)
 {
     if (!response) {
         m_client->didHandleFetchEvent(fetchEventID);
         return;
     }
 
     WebServiceWorkerResponse webResponse;
     response->populateWebServiceWorkerResponse(webResponse);
     m_client->didHandleFetchEvent(fetchEventID, webResponse);
 }
 
 void ServiceWorkerGlobalScopeClientImpl::didHandleSyncEvent(int syncEventID)
 {
     m_client->didHandleSyncEvent(syncEventID);
 }
 
 ServiceWorkerGlobalScopeClientImpl::ServiceWorkerGlobalScopeClientImpl(PassOwnPtr<WebServiceWorkerContextClient> client)
     : m_client(client)
 {
+    ASSERT(m_client);
 }
 
 } // namespace blink