The revert of the original CL was commit 36d4c545007129446e551c45c17b25377dce89a4. Original review: https://codereview.webrtc.org/1413483003/ The original CL changes a function on audio_processing.h that is used by Chrome, this CL adds back the old function. TBR=glaznev@webrtc.org, henrik.lundin@webrtc.org, solenberg@google.com, henrikg@webrtc.org, perkj@webrtc.org BUG=webrtc:4741 Committed: https://crrev.com/f4f5cb09277d5ef6aeac8341e5f54a055867803a Cr-Commit-Position: refs/heads/master@{#11093} Review URL: https://codereview.webrtc.org/1540103002 Cr-Commit-Position: refs/heads/master@{#11267}