tree d448b85291d48020df4053134a6103a57404eda4
parent 4dae841a8226ff528b3646a64f6d76e988e4c625
author rch <rch@google.com> 1552944669 -0700
committer Copybara-Service <copybara-worker@google.com> 1552944715 -0700

Use std::string instead of string in a few places in QUIC to permit chrome merge.

gfe-relnote: n/a - just adding std:: prefix.
PiperOrigin-RevId: 239062252
Change-Id: I7351ad10d7445eb2c9dd1fc7a6bb5e91c09273a9