|  | *  Copyright 2019 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. | 
|  | #include "api/task_queue/default_task_queue_factory.h" | 
|  | #include "rtc_base/checks.h" | 
|  | std::unique_ptr<TaskQueueFactory> CreateDefaultTaskQueueFactory() { | 
|  | << "Default task queue is not implemented for current platform, " | 
|  | "overwrite the task queue implementation by setting global factory."; |