Filter QUIC alternative service if the versions advertised by the server

net/spdy/chromium/spdy_session.h

Index: net/spdy/chromium/spdy_session.h
diff --git a/net/spdy/chromium/spdy_session.h b/net/spdy/chromium/spdy_session.h
index 98941eee1df557f323b1d10d6c4d29e4f789c37f..aad4c26edd1dd5aa78bbfd133cabefa87808e755 100644
--- a/net/spdy/chromium/spdy_session.h
+++ b/net/spdy/chromium/spdy_session.h
@@ -302,6 +302,7 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   SpdySession(const SpdySessionKey& spdy_session_key,
               HttpServerProperties* http_server_properties,
               TransportSecurityState* transport_security_state,
+              const QuicVersionVector& quic_supported_versions,
               bool enable_sending_initial_data,
               bool enable_ping_based_connection_checking,
               size_t session_max_recv_window_size,
@@ -1185,6 +1186,9 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
 
   NetLogWithSource net_log_;
 
+  // Versions of QUIC which may be used.
+  const QuicVersionVector quic_supported_versions_;
+
   // Outside of tests, these should always be true.
   bool enable_sending_initial_data_;
   bool enable_ping_based_connection_checking_;