The blink half of the new ServiceWorker 'sync' event.

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 32 matching lines @@
 {
     return adoptPtr(new ServiceWorkerGlobalScopeClientImpl(client));
 }
 
 ServiceWorkerGlobalScopeClientImpl::~ServiceWorkerGlobalScopeClientImpl()
 {
 }
 
 void ServiceWorkerGlobalScopeClientImpl::didHandleInstallEvent(int installEventID, WebServiceWorkerEventResult result)
 {
-    if (m_client)
-        m_client->didHandleInstallEvent(installEventID, result);
+    m_client->didHandleInstallEvent(installEventID, result);
 }
 
 void ServiceWorkerGlobalScopeClientImpl::didHandleFetchEvent(int fetchEventID, PassRefPtr<WebCore::Response> response)
 {
-    if (!m_client)
-        return;
     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)
 {
 }
 
 } // namespace blink