4dd56a3830
On top of adding unittests for the remixing, the CL moves the code tested to a separate file in order to allow it to be tested. Bug: webrtc:11007 Change-Id: I531736517bbcc715b3c1bf3a4256c42208c5b778 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/155740 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29839}