Introduce RequestWebSocketStream into HttpStreamFactory

net/http/http_stream_factory_impl_job.h

Index: net/http/http_stream_factory_impl_job.h
diff --git a/net/http/http_stream_factory_impl_job.h b/net/http/http_stream_factory_impl_job.h
index a6a3603cafa27a1f20cf53e1c5ab7c8ca0c8739f..6e34f5fe08581503073fecb92e8a658a56d3c204 100644
--- a/net/http/http_stream_factory_impl_job.h
+++ b/net/http/http_stream_factory_impl_job.h
@@ -127,7 +127,9 @@ class HttpStreamFactoryImpl::Job {
   };
 
   void OnStreamReadyCallback();
-  void OnSpdySessionReadyCallback();
+  void OnWebSocketStreamReadyCallback();
+  // This callback function is called when a new SPDY session is created.
+  void OnNewSpdySessionReadyCallback();
   void OnStreamFailedCallback(int result);
   void OnCertificateErrorCallback(int result, const SSLInfo& ssl_info);
   void OnNeedsProxyAuthCallback(const HttpResponseInfo& response_info,
@@ -292,6 +294,7 @@ class HttpStreamFactoryImpl::Job {
   bool establishing_tunnel_;
 
   scoped_ptr<HttpStream> stream_;
+  scoped_ptr<WebSocketStreamBase> websocket_stream_;
 
   // True if we negotiated NPN.
   bool was_npn_negotiated_;