424694ce79
Setting the member value output_will_be_muted_ in set_output_will_be_muted() was done before the lock. This caused a data race. BUG=4477 R=pbos@webrtc.org Review URL: https://webrtc-codereview.appspot.com/44929004 Cr-Commit-Position: refs/heads/master@{#8877}