cros: Stop forcing off display when lid events are received

ash/system/power/tablet_power_button_controller.h

Index: ash/system/power/tablet_power_button_controller.h
diff --git a/ash/system/power/tablet_power_button_controller.h b/ash/system/power/tablet_power_button_controller.h
index e3d7474523125dc5e0d0c2db85200c522201bde0..ef07c397eb9650042c4131787e8c9cc35fd14d19 100644
--- a/ash/system/power/tablet_power_button_controller.h
+++ b/ash/system/power/tablet_power_button_controller.h
@@ -62,6 +62,8 @@ class ASH_EXPORT TabletPowerButtonController
   void PowerManagerRestarted() override;
   void BrightnessChanged(int level, bool user_initiated) override;
   void SuspendDone(const base::TimeDelta& sleep_duration) override;
+  void LidEventReceived(chromeos::PowerManagerClient::LidState state,
+                        const base::TimeTicks& timestamp) override;
 
   // Overridden from ShellObserver:
   void OnMaximizeModeStarted() override;