GetScreenBrightnessPercent   45 ash/system/chromeos/brightness/brightness_controller_chromeos.cc       GetScreenBrightnessPercent(callback);
GetScreenBrightnessPercent   50 chromeos/dbus/fake_power_manager_client.h   virtual void GetScreenBrightnessPercent(
GetScreenBrightnessPercent  106 chromeos/dbus/power_manager_client.h   virtual void GetScreenBrightnessPercent(