chromium/chrome/browser/upgrade_detector/build_state_observer.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_UPGRADE_DETECTOR_BUILD_STATE_OBSERVER_H_
#define CHROME_BROWSER_UPGRADE_DETECTOR_BUILD_STATE_OBSERVER_H_

#include "base/observer_list_types.h"

class BuildState;

// An observer of changes to the browser's BuildState.
class BuildStateObserver : public base::CheckedObserver { … };

#endif  // CHROME_BROWSER_UPGRADE_DETECTOR_BUILD_STATE_OBSERVER_H_