13d38fbe90
It is unused since cl https://codereview.webrtc.org/2386573002. The new denoiser implementation and its tests are kept for now. This code is also unused, but there are some plans to take this code into use in the not too distant future. BUG=None Review-Url: https://codereview.webrtc.org/2496153002 Cr-Commit-Position: refs/heads/master@{#15338}