This reverts commit c95cb6bd3e221cd54d3060654abf91abc9a2fac5. Reason for revert: Breaks downstream project Original change's description: > Remove unused WebRTC-Bwe-InjectedCongestionController > > Instead, PeerConnectionFactoryDependencies.network_controller_factory is > used if it exists. > > Bug: webrtc:8415 > Change-Id: I37d5cc7325072bf1d87993e53949f1b97c277f55 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/347860 > Reviewed-by: Björn Terelius <terelius@webrtc.org> > Commit-Queue: Per Kjellander <perkj@webrtc.org> > Cr-Commit-Position: refs/heads/main@{#42120} Bug: webrtc:8415 Change-Id: I3800ce1a65e7ef40313d67308a24d5daa6d3a028 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/349560 Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Qingsi Wang <qingsi@google.com> Reviewed-by: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42213}