Internal change

PiperOrigin-RevId: 461609611
diff --git a/quiche/quic/tools/quic_simple_server_stream.h b/quiche/quic/tools/quic_simple_server_stream.h
index 7b7859a..fc94819 100644
--- a/quiche/quic/tools/quic_simple_server_stream.h
+++ b/quiche/quic/tools/quic_simple_server_stream.h
@@ -107,6 +107,8 @@
     quic_simple_server_backend_ = backend;
   }
 
+  bool response_sent() const { return response_sent_; }
+
   // The parsed headers received from the client.
   spdy::Http2HeaderBlock request_headers_;
   int64_t content_length_;