HandleBrightnessUp 992 ash/accelerators/accelerator_controller.cc return brightness_control_delegate_->HandleBrightnessUp(accelerator); HandleBrightnessUp 24 ash/system/brightness_control_delegate.h virtual bool HandleBrightnessUp(const ui::Accelerator& accelerator) = 0; HandleBrightnessUp 27 ash/system/chromeos/brightness/brightness_controller_chromeos.h virtual bool HandleBrightnessUp(const ui::Accelerator& accelerator) OVERRIDE;