tree cf53fbe15410cdfdf6a5a120e55edac938bdefd4
parent 136e785d9de5500a821b034cbdffe209e73d4b8a
author renjietang <renjietang@google.com> 1557784223 -0700
committer Copybara-Service <copybara-worker@google.com> 1557840824 -0700

Refactor QuicSession to allow subclasses to do their own thing on pending streams.

gfe-relnote: code refactor and v99 only. Not used in production.
PiperOrigin-RevId: 248015584
Change-Id: Ie0ac855070b304bd90a8e68392cff3cf4c5ac52a