tree 38124c07f41b75caad4f9afd236acb0885cd5ac9
parent 9ed391a67d86e418bd4188ee940f99fe84454872
author renjietang <renjietang@google.com> 1561058573 -0700
committer Copybara-Service <copybara-worker@google.com> 1561123793 -0700

Merge QpackEncoderStreamSender::Delegate and QpackDecoderStreamSender::Delegate
into a single delegate interface called QpackUnidirectionalStreamSenderDelegate. The new interface is inherited by QpackSendStream.

Before this change, Qpack encoder/decoder stream sender will call the spdy session and the session is responsible for finding the correct stream and write instructions.
Now Qpack encoder/decoder stream sender can access Qpack streams to write instructions directly.

gfe-relnote: v99 only, not used in prod.
PiperOrigin-RevId: 254247942
Change-Id: Iec378d412396d12d51b63843d45630b09b301b69