NetworkQualityEstimator: Update signal strength estimate periodically

net/nqe/network_quality_estimator.cc

Index: net/nqe/network_quality_estimator.cc
diff --git a/net/nqe/network_quality_estimator.cc b/net/nqe/network_quality_estimator.cc
index 4950bef439455a9290f23e0bc4498969909ec820..73118fc57b62fc3c33abf34011c6bf2dae8bd32b 100644
--- a/net/nqe/network_quality_estimator.cc
+++ b/net/nqe/network_quality_estimator.cc
@@ -442,7 +442,6 @@ void NetworkQualityEstimator::NotifyHeadersReceived(const URLRequest& request) {
                      weak_ptr_factory_.GetWeakPtr(), measuring_delay),
           measuring_delay);
     }
-    UpdateSignalStrength();
   }
 
   LoadTimingInfo load_timing_info;
@@ -838,7 +837,6 @@ void NetworkQualityEstimator::OnConnectionTypeChanged(
   estimated_quality_at_last_main_frame_ = nqe::internal::NetworkQuality();
   throughput_analyzer_->OnConnectionTypeChanged();
   MaybeComputeEffectiveConnectionType();
-  UpdateSignalStrength();
 }
 
 void NetworkQualityEstimator::MaybeQueryExternalEstimateProvider() const {
@@ -1020,6 +1018,8 @@ void NetworkQualityEstimator::RecordMetricsOnMainFrameRequest() const {
 void NetworkQualityEstimator::ComputeEffectiveConnectionType() {
   DCHECK(thread_checker_.CalledOnValidThread());
 
+  UpdateSignalStrength();
+
   const base::TimeTicks now = tick_clock_->NowTicks();
 
   const EffectiveConnectionType past_type = effective_connection_type_;