input_gain_changed_count_ 178 chromeos/audio/cras_audio_handler_unittest.cc return input_gain_changed_count_; input_gain_changed_count_ 210 chromeos/audio/cras_audio_handler_unittest.cc ++input_gain_changed_count_; input_gain_changed_count_ 220 chromeos/audio/cras_audio_handler_unittest.cc int input_gain_changed_count_;