MigrateDeviceMuteSettings   72 chrome/browser/chromeos/audio/audio_devices_pref_handler_impl.cc     MigrateDeviceMuteSettings(device_id_str);
MigrateDeviceMuteSettings   64 chrome/browser/chromeos/audio/audio_devices_pref_handler_impl.h   void MigrateDeviceMuteSettings(std::string active_device);