| Index: webrtc/audio/audio_state.h | 
| diff --git a/webrtc/audio/audio_state.h b/webrtc/audio/audio_state.h | 
| index 2cb83e4989f64bda37f9f0625ea869552113749d..6bee3c6b9995b50fea8b59b29f245efbbd3cdf2e 100644 | 
| --- a/webrtc/audio/audio_state.h | 
| +++ b/webrtc/audio/audio_state.h | 
| @@ -47,7 +47,7 @@ class AudioState final : public webrtc::AudioState, | 
|  | 
| // The critical section isn't strictly needed in this case, but xSAN bots may | 
| // trigger on unprotected cross-thread access. | 
| -  mutable rtc::CriticalSection crit_sect_; | 
| +  rtc::CriticalSection crit_sect_; | 
| bool typing_noise_detected_ GUARDED_BY(crit_sect_) = false; | 
|  | 
| // Reference count; implementation copied from rtc::RefCountedObject. | 
|  |