tree bd034deb4f687d0dba82e67c63cd4407a0b1e714
parent 9e62e3c40c9777a475b3c1523123194f4c9f7122
author renjietang <renjietang@google.com> 1567791792 -0700
committer Copybara-Service <copybara-worker@google.com> 1567791875 -0700

Use QuicSession::transport_version() instead of QuicConnection::transport_version() to make code cleaner.

gfe-relnote: code cleanup, not protected.
PiperOrigin-RevId: 267628510
Change-Id: I2b28c42ec2345870905e7e5d7e88721be86ad6e4