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 6e7d47bf97eb0674df3101985025c1994198fde2..152d5c5288c36aab84d14c26ca75ec99c7c62c80 100644
--- a/net/http/http_stream_factory_impl_job.h
+++ b/net/http/http_stream_factory_impl_job.h
@@ -126,6 +126,8 @@ class HttpStreamFactoryImpl::Job {
   };
 
   void OnStreamReadyCallback();
+  void OnSpdySessionReadyForWSCallback();
+  void OnSocketReadyCallback();
   void OnSpdySessionReadyCallback();
   void OnStreamFailedCallback(int result);
   void OnCertificateErrorCallback(int result, const SSLInfo& ssl_info);
@@ -308,6 +310,9 @@ class HttpStreamFactoryImpl::Job {
   // Initialized when we have an existing SpdySession.
   scoped_refptr<SpdySession> existing_spdy_session_;
 
+  // a spdy session to pass to OnSpdySessionReadyForWSCallback
+  scoped_refptr<SpdySession> spdy_session_to_pass_;
+
   // Only used if |new_spdy_session_| is non-NULL.
   bool spdy_session_direct_;