tree e7fdbe8ebc988b57747830aec5e05833280aba18
parent 32e69f804718b5074d6831308eb62245f768da60
author renjietang <renjietang@google.com> 1560530351 -0700
committer Copybara-Service <copybara-worker@google.com> 1560530509 -0700

Add Qpack stream classes.

The streams are now stand-alone. They will be connected to QuicSpdySession in
follow up CLs.

gfe-relnote: n/a  --unused code.
PiperOrigin-RevId: 253243356
Change-Id: I23ca96ac64de16fe4f353a6801882dcbff93c998