Make [S,G]getBacklightsForcedOff dbus API integrated to power_manager_client

chromeos/dbus/fake_power_manager_client.h

 // Copyright (c) 2013 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 CHROMEOS_DBUS_FAKE_POWER_MANAGER_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_POWER_MANAGER_CLIENT_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 45 matching lines @@
   void IncreaseKeyboardBrightness() override;
   void RequestStatusUpdate() override;
   void RequestSuspend() override;
   void RequestRestart() override;
   void RequestShutdown() override;
   void NotifyUserActivity(power_manager::UserActivityType type) override;
   void NotifyVideoActivity(bool is_fullscreen) override;
   void SetPolicy(const power_manager::PowerManagementPolicy& policy) override;
   void SetIsProjecting(bool is_projecting) override;
   void SetPowerSource(const std::string& id) override;
+  void SetBacklightsForcedOff(bool is_off) override;
+  void GetBacklightsForcedOffState(
+      const GetBacklightsForcedOffStateCallback& callback) override;
   base::Closure GetSuspendReadinessCallback() override;
   int GetNumPendingSuspendReadinessCallbacks() override;
 
   // Pops the first report from |video_activity_reports_|, returning whether the
   // activity was fullscreen or not. There must be at least one report.
   bool PopVideoActivityReport();
 
   // Emulates the power manager announcing that the system is starting or
   // completing a suspend attempt.
   void SendSuspendImminent();
@@ skipping 45 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<FakePowerManagerClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakePowerManagerClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_POWER_MANAGER_CLIENT_H_