379   bool isAvailable = false;  in SpeakerVolumeIsAvailable()  local
445   bool isAvailable = false;  in SpeakerMuteIsAvailable()  local
475   bool isAvailable = false;  in MicrophoneMuteIsAvailable()  local
505   bool isAvailable = false;  in MicrophoneVolumeIsAvailable()  local
536   bool isAvailable = false;  in StereoRecordingIsAvailable()  local
582   bool isAvailable = false;  in StereoPlayoutIsAvailable()  local
626   bool isAvailable = false;  in PlayoutIsAvailable()  local
638   bool isAvailable = false;  in RecordingIsAvailable()  local
869   bool isAvailable = audio_device_->BuiltInAECIsAvailable();  in BuiltInAECIsAvailable()  local
885   bool isAvailable = audio_device_->BuiltInAGCIsAvailable();  in BuiltInAGCIsAvailable()  local
901   bool isAvailable = audio_device_->BuiltInNSIsAvailable();  in BuiltInNSIsAvailable()  local