This reverts commit 7f2eab0c7efef13fe41c6e9c8e155a67a8a673c4.
Reason for revert: https://bugs.chromium.org/p/chromium/issues/detail?id=878373
Original change's description:
> Rename VideoQualityTestFixtureInterface::Params.pipe into config.
>
> Also make it optional and use default value, if optional is not
> specified. It is done also for next refactoring, that will introduce
> ability to override network simulation layer.
>
> Bug: webrtc:9630
> Change-Id: I88cf1f9c70857f3299b5c3e9580a98570768e129
> Reviewed-on: https://webrtc-review.googlesource.com/96121
> Reviewed-by: Erik Språng <sprang@webrtc.org>
> Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
> Commit-Queue: Artem Titov <titovartem@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#24454}
TBR=phoglund@webrtc.org,sprang@webrtc.org,titovartem@webrtc.org
Change-Id: I7535422ef6a662defb0f9dee32d62133fa0c8b8f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:9630
Reviewed-on: https://webrtc-review.googlesource.com/96541
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24467}
17790c3d3c