chromeos: Add PowerManagerClient::GetSwitchStates().

ash/common/wm/maximize_mode/maximize_mode_controller.h

 // Copyright 2014 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_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_
 #define ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 72 matching lines @@
   void OnMaximizeModeStarted() override;
   void OnMaximizeModeEnded() override;
 
   // WmDisplayObserver:
   void OnDisplayConfigurationChanged() override;
 
   // chromeos::AccelerometerReader::Observer:
   void OnAccelerometerUpdated(
       scoped_refptr<const chromeos::AccelerometerUpdate> update) override;
 
-  // PowerManagerClient::Observer:
-  void LidEventReceived(bool open, const base::TimeTicks& time) override;
-  void TabletModeEventReceived(bool on, const base::TimeTicks& time) override;
+  // chromeos::PowerManagerClient::Observer:
+  void LidEventReceived(chromeos::PowerManagerClient::LidState state,
+                        const base::TimeTicks& time) override;
+  void TabletModeEventReceived(chromeos::PowerManagerClient::TabletMode mode,
+                               const base::TimeTicks& time) override;
   void SuspendImminent() override;
   void SuspendDone(const base::TimeDelta& sleep_duration) override;
 
  private:
   friend class MaximizeModeControllerTest;
   friend class MaximizeModeWindowManagerTest;
   friend class test::MultiUserWindowManagerChromeOSTest;
   friend class test::VirtualKeyboardControllerTest;
 
   // Used for recording metrics for intervals of time spent in
@@ skipping 80 matching lines @@
 
   // The set of touchview observers to be notified about mode changes.
   mojo::InterfacePtrSet<mojom::TouchViewObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(MaximizeModeController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_CONTROLLER_H_