| // 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 NET_BASE_SDCH_OBSERVER_H_ | 
 | #define NET_BASE_SDCH_OBSERVER_H_ | 
 |  | 
 | #include "net/base/net_export.h" | 
 |  | 
 | class GURL; | 
 |  | 
 | namespace net { | 
 |  | 
 | class SdchManager; | 
 |  | 
 | // Observer interface for SDCH.  Observers can register with | 
 | // the SdchManager to receive notifications of various SDCH events. | 
 | class NET_EXPORT SdchObserver { | 
 |  public: | 
 |   virtual ~SdchObserver(); | 
 |  | 
 |   // Notification that SDCH has seen a "Get-Dictionary" header. | 
 |   virtual void OnGetDictionary(SdchManager* manager, | 
 |                                const GURL& request_url, | 
 |                                const GURL& dictionary_url) = 0; | 
 |  | 
 |   // Notification that SDCH has received a request to clear all | 
 |   // its dictionaries. | 
 |   virtual void OnClearDictionaries(SdchManager* manager) = 0; | 
 | }; | 
 |  | 
 | }  // namespace net | 
 |  | 
 | #endif  // NET_BASE_SDCH_MANAGER_H_ |