gfe-relnote: In QUIC with TLS, do not proceed in SetWriteSecret if connection has been closed. Protected by gfe2_reloadable_flag_quic_notify_handshaker_on_connection_close.

PiperOrigin-RevId: 309753183
Change-Id: I829b92d82ca84f85ab60aa09940a3b205641a34b
diff --git a/quic/core/http/quic_spdy_stream_test.cc b/quic/core/http/quic_spdy_stream_test.cc
index 8a4dfba..d400fc7 100644
--- a/quic/core/http/quic_spdy_stream_test.cc
+++ b/quic/core/http/quic_spdy_stream_test.cc
@@ -125,6 +125,8 @@
   void OnPacketDecrypted(EncryptionLevel /*level*/) override {}
   void OnOneRttPacketAcknowledged() override {}
   void OnHandshakePacketSent() override {}
+  void OnConnectionClosed(QuicErrorCode /*error*/,
+                          ConnectionCloseSource /*source*/) override {}
   void OnHandshakeDoneReceived() override {}
 
   MOCK_METHOD(void, OnCanWrite, (), (override));