cros: Stop forcing off display when lid events are received

ash/system/power/tablet_power_button_controller.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_SYSTEM_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
 #define ASH_SYSTEM_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 44 matching lines @@
   // of PowerButtonController.
   bool ShouldHandlePowerButtonEvents() const;
 
   // Handles a power button event.
   void OnPowerButtonEvent(bool down, const base::TimeTicks& timestamp);
 
   // Overridden from chromeos::PowerManagerClient::Observer:
   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;
   void OnMaximizeModeEnded() override;
 
   // Overridden from ui::EventHandler:
   void OnKeyEvent(ui::KeyEvent* event) override;
   void OnMouseEvent(ui::MouseEvent* event) override;
 
   // Overridden from ui::InputDeviceObserver:
@@ skipping 55 matching lines @@
   LockStateController* controller_;  // Not owned.
 
   base::WeakPtrFactory<TabletPowerButtonController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TabletPowerButtonController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_