UMA_ACCEL_LOCK_SCREEN_POWER_BUTTON 45 ash/metrics/user_metrics_recorder.cc case ash::UMA_ACCEL_LOCK_SCREEN_POWER_BUTTON: UMA_ACCEL_LOCK_SCREEN_POWER_BUTTON 592 ash/wm/lock_state_controller.cc UMA_ACCEL_LOCK_SCREEN_POWER_BUTTON :