This change is required to allow modification of Jitter Buffer delay in javascript via Origin Trial Experiment. Link to experiment description: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/Tgm4qiNepJc Bug: webrtc:10287 Change-Id: I4f21380aad5982a4a60c55683b5173ce72ce0392 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131144 Commit-Queue: Ruslan Burakov <kuddai@google.com> Reviewed-by: Steve Anton <steveanton@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27444}