GitLab

Add unittest to document existing Websocket behavior with existing
HTTP/2 connection: if there is an HTTP/2 connection open to a server, a
Websocket request should not use it, but instead open a new connection
with HTTP/2 disabled.

Bug: 801564
Change-Id: Ibff7278cb298491f8183ca0946acfef39c7e8309
Reviewed-on: https://chromium-review.googlesource.com/891738
Commit-Queue: Bence Béky <bnc@chromium.org>
Reviewed-by: Adam Rice <ricea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#533263}