These metrics are no longer in use: WebRTC.Audio.EchoCanceller.ActiveRender WebRTC.Audio.EchoCanceller.ErleBand* WebRTC.Audio.EchoCanceller.ErlBand* Corresponding CL to mark obsolete in histograms.xml: https://chromium-review.googlesource.com/c/chromium/src/+/2485059 Bug: chromium:1140067,chromium:1140071,chromium:1140073 Change-Id: Icb79b540f340a596c178f352363b30dc7b885251 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/189783 Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Commit-Queue: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32449}