Notify NQE of TCP RTT values

net/base/network_quality_estimator.h

 // Copyright 2015 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_NETWORK_QUALITY_ESTIMATOR_H_
 #define NET_BASE_NETWORK_QUALITY_ESTIMATOR_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 148 matching lines @@
   // should not be null.
   virtual bool GetRecentMedianDownlinkThroughputKbps(
       const base::TimeTicks& begin_timestamp,
       int32_t* kbps) const;
 
   // SocketPerformanceWatcherFactory implementation:
   scoped_ptr<SocketPerformanceWatcher> CreateSocketPerformanceWatcher(
       const Protocol protocol) override;
   void OnUpdatedRTTAvailable(const Protocol protocol,
                              const base::TimeDelta& rtt) override;
+  void OnWatcherReset() override;
 
   // Adds |rtt_observer| to the list of round trip time observers. Must be
   // called on the IO thread.
   void AddRTTObserver(RTTObserver* rtt_observer);
 
   // Removes |rtt_observer| from the list of round trip time observers if it
   // is on the list of observers. Must be called on the IO thread.
   void RemoveRTTObserver(RTTObserver* rtt_observer);
 
   // Adds |throughput_observer| to the list of throughput observers. Must be
@@ skipping 66 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, ComputedPercentiles);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, TestCaching);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest,
                            TestLRUCacheMaximumSize);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, TestGetMedianRTTSince);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest,
                            TestExternalEstimateProvider);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest,
                            TestExternalEstimateProviderMergeEstimates);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, TestObservers);
+  FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, TestTcpSocketRtt);
 
   // NetworkQuality is used to cache the quality of a network connection.
   class NET_EXPORT_PRIVATE NetworkQuality {
    public:
     NetworkQuality();
     // |rtt| is the estimate of the round trip time.
     // |downstream_throughput_kbps| is the estimate of the downstream
     // throughput in kilobits per second.
     NetworkQuality(const base::TimeDelta& rtt,
                    int32_t downstream_throughput_kbps);
@@ skipping 331 matching lines @@
   base::ObserverList<ThroughputObserver> throughput_observer_list_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkQualityEstimator);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NETWORK_QUALITY_ESTIMATOR_H_