NEGOTIATION_IN_PROGRESS 313 net/quic/quic_connection.cc version_negotiation_state_ = NEGOTIATION_IN_PROGRESS; NEGOTIATION_IN_PROGRESS 318 net/quic/quic_connection.cc case NEGOTIATION_IN_PROGRESS: NEGOTIATION_IN_PROGRESS 383 net/quic/quic_connection.cc version_negotiation_state_ = NEGOTIATION_IN_PROGRESS;