Make QuicStreamFactoryTest configurable via HttpNetworkSession::Params.

Remove various memeber variables to config QuicStreamFactoryTest and
move the configuration to HttpNetworkSession::Params. To configure a new
QuicStreamFactoryTest, set the configuration via |test_params_| and call
Initialize().

Change-Id: I05789db7fa10a3001d4aa2421e1fdaefff693984
Reviewed-on: https://chromium-review.googlesource.com/c/1461088
Auto-Submit: Zhongyi Shi <zhongyi@chromium.org>
Reviewed-by: Ryan Hamilton <rch@chromium.org>
Commit-Queue: Ryan Hamilton <rch@chromium.org>
Cr-Commit-Position: refs/heads/master@{#630462}
1 file changed