PACKET_FLAGS_4BYTE_SEQUENCE  123 net/quic/quic_framer.cc     case PACKET_FLAGS_4BYTE_SEQUENCE:
PACKET_FLAGS_4BYTE_SEQUENCE 1005 net/quic/quic_framer.cc       return PACKET_FLAGS_4BYTE_SEQUENCE;
PACKET_FLAGS_4BYTE_SEQUENCE  229 net/quic/quic_protocol.h   PACKET_PUBLIC_FLAGS_4BYTE_SEQUENCE = PACKET_FLAGS_4BYTE_SEQUENCE << 4,