HexChar           434 net/quic/test_tools/crypto_test_utils.cc       CHECK(HexChar(tagstr[i], &v));
HexChar           500 net/quic/test_tools/crypto_test_utils.cc         CHECK(HexChar(valuestr[i*2], &v));
HexChar           502 net/quic/test_tools/crypto_test_utils.cc         CHECK(HexChar(valuestr[i*2 + 1], &v));