Record RTT prediction accuracy when using average algorithms

net/nqe/network_quality_estimator_test_util.h

 // Copyright 2016 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_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_
 #define NET_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 150 matching lines @@
     // lower-layer metrics.
     DCHECK(!effective_connection_type_ && !recent_effective_connection_type_);
     recent_downlink_throughput_kbps_ = recent_downlink_throughput_kbps;
   }
   // Returns the downlink throughput that was set using
   // |set_recent_downlink_throughput_kbps|. If the downlink throughput has not
   // been set, then the base implementation is called.
   bool GetRecentDownlinkThroughputKbps(const base::TimeTicks& start_time,
                                        int32_t* kbps) const override;
 
+  // Returns the recent HTTP RTT value that was set using
+  // |set_rtt_estimate_internal|. If it has not been set, then the base
+  // implementation is called.
+  base::TimeDelta GetRTTEstimateInternal(
+      const std::vector<NetworkQualityObservationSource>&
+          disallowed_observation_sources,
+      base::TimeTicks start_time,
+      const base::Optional<NetworkQualityEstimator::Statistic>& statistic,
+      int percentile) const override;
+
+  void set_rtt_estimate_internal(base::TimeDelta value) {
+    rtt_estimate_internal_ = value;
+  }
+
   void SetAccuracyRecordingIntervals(
       const std::vector<base::TimeDelta>& accuracy_recording_intervals);
 
   const std::vector<base::TimeDelta>& GetAccuracyRecordingIntervals()
       const override;
 
   void set_rand_double(double rand_double) { rand_double_ = rand_double; }
 
   double RandDouble() const override;
 
@@ skipping 46 matching lines @@
   base::Optional<base::TimeDelta> start_time_null_transport_rtt_;
   base::Optional<base::TimeDelta> recent_transport_rtt_;
 
   // If set, GetRecentDownlinkThroughputKbps() would return one of the set
   // values. |start_time_null_downlink_throughput_kbps_| is returned if the
   // |start_time| is null. Otherwise, |recent_downlink_throughput_kbps_| is
   // returned.
   base::Optional<int32_t> start_time_null_downlink_throughput_kbps_;
   base::Optional<int32_t> recent_downlink_throughput_kbps_;
 
+  // If set, GetRTTEstimateInternal() would return the set value.
+  base::Optional<base::TimeDelta> rtt_estimate_internal_;
+
   double rand_double_;
 
   LocalHttpTestServer embedded_test_server_;
 
   // Net log provided to network quality estimator.
   std::unique_ptr<net::BoundTestNetLog> net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNetworkQualityEstimator);
 };
 
 }  // namespace net
 
 #endif  // NET_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_