| // 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 COMPONENTS_DRIVE_DRIVE_APP_REGISTRY_OBSERVER_H_ | 
 | #define COMPONENTS_DRIVE_DRIVE_APP_REGISTRY_OBSERVER_H_ | 
 |  | 
 | namespace drive { | 
 |  | 
 | class DriveAppRegistryObserver { | 
 |  public: | 
 |   // Invoked when DriveAppRegistry has updated its list of Drive apps. | 
 |   virtual void OnDriveAppRegistryUpdated() = 0; | 
 |  | 
 |  protected: | 
 |   virtual ~DriveAppRegistryObserver() {} | 
 | }; | 
 |  | 
 | }  // namespace drive | 
 |  | 
 | #endif  // COMPONENTS_DRIVE_DRIVE_APP_REGISTRY_OBSERVER_H_ |