SetScreenBrightnessPercent 39 ash/system/chromeos/brightness/brightness_controller_chromeos.cc SetScreenBrightnessPercent(percent, gradual); SetScreenBrightnessPercent 48 chromeos/dbus/fake_power_manager_client.h virtual void SetScreenBrightnessPercent( SetScreenBrightnessPercent 102 chromeos/dbus/power_manager_client.h virtual void SetScreenBrightnessPercent(double percent, bool gradual) = 0;