NQE: Add net log event if the metric changes substantially

net/nqe/network_quality_estimator.cc

 // 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.
 
 #include "net/nqe/network_quality_estimator.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <utility>
@@ skipping 777 matching lines @@
     bool disable_offline_check) {
   DCHECK(thread_checker_.CalledOnValidThread());
   disable_offline_check_ = disable_offline_check;
   network_quality_store_->DisableOfflineCheckForTesting(disable_offline_check_);
 }
 
 void NetworkQualityEstimator::ReportEffectiveConnectionTypeForTesting(
     EffectiveConnectionType effective_connection_type) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
-  event_creator_.MaybeAddEffectiveConnectionTypeChangedEventToNetLog(
+  event_creator_.MaybeAddNetworkQualityChangedEventToNetLog(
       effective_connection_type_,
       typical_network_quality_[effective_connection_type]);
 
   for (auto& observer : effective_connection_type_observer_list_)
     observer.OnEffectiveConnectionTypeChanged(effective_connection_type);
 
   network_quality_store_->Add(current_network_id_,
                               nqe::internal::CachedNetworkQuality(
                                   tick_clock_->NowTicks(), network_quality_,
                                   effective_connection_type));
@@ skipping 288 matching lines @@
       nqe::internal::INVALID_RTT_THROUGHPUT) {
     UMA_HISTOGRAM_COUNTS_1M("NQE.Kbps.OnECTComputation",
                             network_quality_.downstream_throughput_kbps());
   }
 
   NotifyObserversOfRTTOrThroughputComputed();
 
   if (past_type != effective_connection_type_)
     NotifyObserversOfEffectiveConnectionTypeChanged();
 
-  event_creator_.MaybeAddEffectiveConnectionTypeChangedEventToNetLog(
+  event_creator_.MaybeAddNetworkQualityChangedEventToNetLog(
       effective_connection_type_, network_quality_);
 
   rtt_observations_size_at_last_ect_computation_ = rtt_observations_.Size();
   throughput_observations_size_at_last_ect_computation_ =
       downstream_throughput_kbps_observations_.Size();
 }
 
 EffectiveConnectionType NetworkQualityEstimator::GetEffectiveConnectionType()
     const {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 694 matching lines @@
       return "UnweightedAverage";
     case STATISTIC_LAST:
       NOTREACHED();
       return "";
   }
   NOTREACHED();
   return "";
 }
 
 }  // namespace net