Tracking push events for lucid sleep

chrome/browser/chromeos/power/light_bar.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 CHROME_BROWSER_CHROMEOS_POWER_LIGHT_BAR_H_
-#define CHROME_BROWSER_CHROMEOS_POWER_LIGHT_BAR_H_
-
-#include "base/files/file_path.h"
-#include "chromeos/chromeos_export.h"
-#include "chromeos/dbus/power_manager_client.h"
-
-namespace chromeos {
-
-// Flashes the light bar (on systems that have one) whenever the system comes up
-// in dark resume.
-class CHROMEOS_EXPORT LightBar : public PowerManagerClient::Observer {
- public:
-  LightBar();
-  ~LightBar() override;
-
-  // PowerManagerClient::Observer implementation.
-  void DarkSuspendImminent() override;
-
- private:
-  // Path to control the light bar.
-  base::FilePath control_path_;
-
-  // True if the system has a light bar.
-  bool has_light_bar_;
-
-  DISALLOW_COPY_AND_ASSIGN(LightBar);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_POWER_LIGHT_BAR_H_