613591a5b8
This CL adds the field but does not implement any functionality using it. Bug: webrtc:9341 Change-Id: I533fc7f8bc1e40207aa16b834e0d7daa60709614 Reviewed-on: https://webrtc-review.googlesource.com/78741 Commit-Queue: Åsa Persson <asapersson@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23466}