
This was originally proposed in https://codereview.webrtc.org/2779233002, but due to upstreaming errors, reverted and relanded a few times. This is a tested reland of it. BUG=webrtc:7426 Review-Url: https://codereview.webrtc.org/2821133004 Cr-Commit-Position: refs/heads/master@{#17756}