|  | // 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_UPDATE_CLIENT_PING_MANAGER_H_ | 
|  | #define COMPONENTS_UPDATE_CLIENT_PING_MANAGER_H_ | 
|  |  | 
|  | #include "base/macros.h" | 
|  | #include "base/memory/ref_counted.h" | 
|  |  | 
|  | namespace update_client { | 
|  |  | 
|  | class Configurator; | 
|  | struct CrxUpdateItem; | 
|  |  | 
|  | // Sends fire-and-forget pings. | 
|  | class PingManager { | 
|  | public: | 
|  | explicit PingManager(const scoped_refptr<Configurator>& config); | 
|  | virtual ~PingManager(); | 
|  |  | 
|  | // Sends a fire and forget ping for the |item|. Returns true if the | 
|  | // ping is queued up and may be sent in the future, or false, if an error | 
|  | // occurs right away. The ping itself is not persisted and it will be | 
|  | // discarded if it can't be sent for any reason. | 
|  | virtual bool SendPing(const CrxUpdateItem* item); | 
|  |  | 
|  | private: | 
|  | const scoped_refptr<Configurator> config_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(PingManager); | 
|  | }; | 
|  |  | 
|  | }  // namespace update_client | 
|  |  | 
|  | #endif  // COMPONENTS_UPDATE_CLIENT_PING_MANAGER_H_ |