|  | /* | 
|  | *  Copyright 2020 The WebRTC Project Authors. All rights reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #ifndef RTC_BASE_NETWORK_MONITOR_FACTORY_H_ | 
|  | #define RTC_BASE_NETWORK_MONITOR_FACTORY_H_ | 
|  |  | 
|  | #include "rtc_base/network_monitor.h" | 
|  | namespace webrtc { | 
|  | class FieldTrialsView; | 
|  | }  // namespace webrtc | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | // Forward declaring this so it's not part of the API surface; it's only | 
|  | // expected to be used by Android/iOS SDK code. | 
|  |  | 
|  | /* | 
|  | * NetworkMonitorFactory creates NetworkMonitors. | 
|  | * Note that CreateNetworkMonitor is expected to be called on the network | 
|  | * thread with the returned object only being used on that thread thereafter. | 
|  | */ | 
|  | class NetworkMonitorFactory { | 
|  | public: | 
|  | virtual NetworkMonitorInterface* CreateNetworkMonitor( | 
|  | const FieldTrialsView& field_trials) = 0; | 
|  |  | 
|  | virtual ~NetworkMonitorFactory(); | 
|  |  | 
|  | protected: | 
|  | NetworkMonitorFactory(); | 
|  | }; | 
|  |  | 
|  | }  //  namespace webrtc | 
|  |  | 
|  |  | 
|  | #endif  // RTC_BASE_NETWORK_MONITOR_FACTORY_H_ |