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// Copyright (c) 2009 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_COMMON_NOTIFICATION_OBSERVER_H_
#define CHROME_COMMON_NOTIFICATION_OBSERVER_H_
class NotificationDetails;
class NotificationSource;
class NotificationType;
// This is the base class for notification observers. When a matching
// notification is posted to the notification service, Observe is called.
class NotificationObserver {
public:
virtual ~NotificationObserver();
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) = 0;
};
#endif // CHROME_COMMON_NOTIFICATION_OBSERVER_H_
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