Adding ArcBridge interface for synchronizing brightness settings

chromeos/dbus/fake_power_manager_client.cc

 // 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.
 
 #include "chromeos/dbus/fake_power_manager_client.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 41 matching lines @@
 void FakePowerManagerClient::DecreaseScreenBrightness(bool allow_off) {}
 
 void FakePowerManagerClient::IncreaseScreenBrightness() {}
 
 void FakePowerManagerClient::SetScreenBrightnessPercent(double percent,
                                                         bool gradual) {}
 
 void FakePowerManagerClient::GetScreenBrightnessPercent(
     const GetScreenBrightnessPercentCallback& callback) {}
 
+void FakePowerManagerClient::SyncScreenBrightness() {}
+
 void FakePowerManagerClient::DecreaseKeyboardBrightness() {}
 
 void FakePowerManagerClient::IncreaseKeyboardBrightness() {}
 
 void FakePowerManagerClient::RequestStatusUpdate() {
   // RequestStatusUpdate() calls and notifies the observers
   // asynchronously on a real device. On the fake implementation, we call
   // observers in a posted task to emulate the same behavior.
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&FakePowerManagerClient::NotifyObservers,
@@ skipping 124 matching lines @@
     observer.PowerChanged(props_);
 }
 
 void FakePowerManagerClient::HandleSuspendReadiness() {
   CHECK(num_pending_suspend_readiness_callbacks_ > 0);
 
   --num_pending_suspend_readiness_callbacks_;
 }
 
 }  // namespace chromeos