tree ad9decf968de5aa50df46f7cad53a4e005f37fe2
parent 372452f3cea7ef3888eb1bedb19a041a037fd7a7
author renjietang <renjietang@google.com> 1581635631 -0800
committer Copybara-Service <copybara-worker@google.com> 1581635664 -0800

Add perspective_ member for QuicStream.

This change is in favor of removing session access from stream.

gfe-relnote: no behavior change. Not protected.
PiperOrigin-RevId: 295011376
Change-Id: Ie6a9f899a52bbc1c7ae4eda149259bbc40dba95d