chromium/components/zoom/zoom_observer.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_ZOOM_ZOOM_OBSERVER_H_
#define COMPONENTS_ZOOM_ZOOM_OBSERVER_H_

#include "components/zoom/zoom_controller.h"

namespace zoom {

// Interface for objects that wish to be notified of changes in ZoomController.
class ZoomObserver : public base::CheckedObserver { … };

}  // namespace zoom

#endif  // COMPONENTS_ZOOM_ZOOM_OBSERVER_H_