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..38eb6ae0e37dd522769d8fd53e6fc871508b5544 100644
--- a/net/http/http_stream_factory_impl_job.h
+++ b/net/http/http_stream_factory_impl_job.h
@@ -126,7 +126,13 @@ class HttpStreamFactoryImpl::Job {
   };
 
   void OnStreamReadyCallback();
-  void OnSpdySessionReadyCallback();
+  void OnSocketReadyForWebSocketCallback();
+  // This callback function is called when a spdy session is available
+  // if for_websocket() is true.
+  void OnSpdySessionReadyForWebSocketCallback();
+  // This callback function is called when a new spdy session is created
+  // if for_websocket() is false.
+  void OnNewSpdySessionReadyCallback();
   void OnStreamFailedCallback(int result);
   void OnCertificateErrorCallback(int result, const SSLInfo& ssl_info);
   void OnNeedsProxyAuthCallback(const HttpResponseInfo& response_info,
@@ -308,6 +314,9 @@ class HttpStreamFactoryImpl::Job {
   // Initialized when we have an existing SpdySession.
   scoped_refptr<SpdySession> existing_spdy_session_;
 
+  // A SPDY session to pass to OnSpdySessionReadyForWebSocketCallback
+  scoped_refptr<SpdySession> spdy_session_to_pass_;
+
   // Only used if |new_spdy_session_| is non-NULL.
   bool spdy_session_direct_;