| // Copyright 2017 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 CHROME_BROWSER_METRICS_NETWORK_QUALITY_ESTIMATOR_PROVIDER_IMPL_H_ |
| #define CHROME_BROWSER_METRICS_NETWORK_QUALITY_ESTIMATOR_PROVIDER_IMPL_H_ |
| |
| #include "base/macros.h" |
| #include "base/threading/thread_checker.h" |
| #include "components/metrics/net/network_metrics_provider.h" |
| |
| class IOThread; |
| |
| namespace metrics { |
| |
| // Implements NetworkMetricsProvider::NetworkQualityEstimatorProvider. Provides |
| // NetworkQualityEstimator by querying the IOThread. Lives on UI thread. |
| class NetworkQualityEstimatorProviderImpl |
| : public NetworkMetricsProvider::NetworkQualityEstimatorProvider { |
| public: |
| explicit NetworkQualityEstimatorProviderImpl(IOThread* io_thread); |
| ~NetworkQualityEstimatorProviderImpl() override; |
| |
| private: |
| // NetworkMetricsProvider::NetworkQualityEstimatorProvider: |
| scoped_refptr<base::SequencedTaskRunner> GetTaskRunner() override; |
| void PostReplyNetworkQualityEstimator( |
| base::Callback<void(net::NetworkQualityEstimator*)> io_callback) override; |
| |
| IOThread* io_thread_; |
| |
| base::ThreadChecker thread_checker_; |
| |
| base::WeakPtrFactory<NetworkQualityEstimatorProviderImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NetworkQualityEstimatorProviderImpl); |
| }; |
| |
| } // namespace metrics |
| |
| #endif // CHROME_BROWSER_METRICS_NETWORK_QUALITY_ESTIMATOR_PROVIDER_IMPL_H_ |