Add whether QUIC's unencrypted stream data was received or about to be sent in the error log. Logg…

net/quic/quic_connection.cc

Index: net/quic/quic_connection.cc
diff --git a/net/quic/quic_connection.cc b/net/quic/quic_connection.cc
index 4b4431f175fde74e90ddb7c94bdb2d3a42a81cc4..b107ee44ba1eaf514f70a288eefa3dc5bb86bde5 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -655,6 +655,7 @@ bool QuicConnection::OnStreamFrame(const QuicStreamFrame& frame) {
     QUIC_BUG << ENDPOINT
              << "Received an unencrypted data frame: closing connection"
              << " packet_number:" << last_header_.packet_number
+             << " stream_id:" << frame.stream_id
              << " received_packets:" << received_packet_manager_.ack_frame();
     SendConnectionCloseWithDetails(QUIC_UNENCRYPTED_STREAM_DATA,
                                    "Unencrypted stream data seen");