ServiceWorker: Implement navigate() method in WindowClient (blink side).

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 120 matching lines @@
 void ServiceWorkerGlobalScopeClientImpl::claim(WebServiceWorkerClientsClaimCallbacks* callbacks)
 {
     m_client.claim(callbacks);
 }
 
 void ServiceWorkerGlobalScopeClientImpl::focus(const WebString& clientUUID, WebServiceWorkerClientCallbacks* callback)
 {
     m_client.focus(clientUUID, callback);
 }
 
+void ServiceWorkerGlobalScopeClientImpl::navigate(const WebString& clientUUID, const WebURL& url, WebServiceWorkerClientCallbacks* callback)
+{
+    m_client.navigate(clientUUID, url, callback);
+}
+
 void ServiceWorkerGlobalScopeClientImpl::stashMessagePort(WebMessagePortChannel* channel, const WebString& name)
 {
     m_client.stashMessagePort(channel, name);
 }
 
 ServiceWorkerGlobalScopeClientImpl::ServiceWorkerGlobalScopeClientImpl(WebServiceWorkerContextClient& client)
     : m_client(client)
 {
 }
 
 } // namespace blink