The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/099c25fdfbbaacfdc165ce61ce6e710c21a1057a

commit 099c25fdfbbaacfdc165ce61ce6e710c21a1057a
Author: Jakob Ivarsson <jakobi@google.com>
Date: Mon Jan 21 18:00:50 2019

Add origin trial RtcAudioJitterBufferRtxHandling.

Intent to experiment:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/A31F88qhQLQ

Bug: 923326
Change-Id: Iaee8ced530826e44068c17ec907fa12db402e860
Reviewed-on: https://chromium-review.googlesource.com/c/1406648
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Reviewed-by: Henrik Boström <hbos@chromium.org>
Commit-Queue: Jakob Ivarsson <jakobi@google.com>
Cr-Commit-Position: refs/heads/master@{#624611}
[modify] https://crrev.com/099c25fdfbbaacfdc165ce61ce6e710c21a1057a/third_party/blink/public/platform/web_feature.mojom
[modify] https://crrev.com/099c25fdfbbaacfdc165ce61ce6e710c21a1057a/third_party/blink/renderer/modules/peerconnection/rtc_peer_connection.cc
[modify] https://crrev.com/099c25fdfbbaacfdc165ce61ce6e710c21a1057a/third_party/blink/renderer/platform/runtime_enabled_features.json5
[modify] https://crrev.com/099c25fdfbbaacfdc165ce61ce6e710c21a1057a/tools/metrics/histograms/enums.xml