
In #9243 we added some thread_checker. But it shouldn't be added into PlayoutDevices() and RecordingDevices(), since these two will be invoked from RecThread and PlayoutThread too, other than the main thread. BUG=webrtc:4852 TEST=voe_cmd_test R=henrika@webrtc.org Review URL: https://codereview.webrtc.org/1249573002 . Cr-Commit-Position: refs/heads/master@{#9605}