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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROMEOS_DBUS_DBUS_THREAD_MANAGER_OBSERVER_H_
      6 #define CHROMEOS_DBUS_DBUS_THREAD_MANAGER_OBSERVER_H_
      7 
      8 namespace chromeos {
      9 
     10 class DBusThreadManager;
     11 
     12 // Interface for classes that are interested in observing changes to the
     13 // DBusThreadManager.
     14 class DBusThreadManagerObserver {
     15  public:
     16   // Called when |manager| is about to be destroyed.  |manager| is still usable
     17   // at this point.
     18   virtual void OnDBusThreadManagerDestroying(DBusThreadManager* manager) = 0;
     19 
     20  protected:
     21   virtual ~DBusThreadManagerObserver() {}
     22 };
     23 
     24 }  // namespace chromeos
     25 
     26 #endif  // CHROMEOS_DBUS_DBUS_THREAD_MANAGER_OBSERVER_H_
     27