Use std::vector instead of QuicSmallMap in various places as map is an overkill.
No behavior change. not protected.
PiperOrigin-RevId: 324890735
Change-Id: Ie28a50256b15d148620896020d20df1930ef674b
QUICHE (QUIC, Http/2, Etc) is Google‘s implementation of QUIC and related protocols. It powers Chromium as well as Google’s QUIC servers and some other projects.