Expose changes in the network quality to the renderers

net/nqe/network_quality_estimator_test_util.cc

Index: net/nqe/network_quality_estimator_test_util.cc
diff --git a/net/nqe/network_quality_estimator_test_util.cc b/net/nqe/network_quality_estimator_test_util.cc
index 735b27aef5ba91da8eeae59eaa30752c911d2ad2..c6005bb1052aeca1f0530aca939b4475f96db99f 100644
--- a/net/nqe/network_quality_estimator_test_util.cc
+++ b/net/nqe/network_quality_estimator_test_util.cc
@@ -259,6 +259,16 @@ int TestNetworkQualityEstimator::GetNetLogLastIntegerValue(
   return return_value;
 }
 
+void TestNetworkQualityEstimator::
+    NotifyObserversOfRTTOrThroughputEstimatesComputed(
+        const net::nqe::internal::NetworkQuality& network_quality) {
+  for (auto& observer : rtt_and_throughput_estimates_observer_list_) {
+    observer.OnRTTOrThroughputEstimatesComputed(
+        network_quality.http_rtt(), network_quality.transport_rtt(),
+        network_quality.downstream_throughput_kbps());
+  }
+}
+
 nqe::internal::NetworkID TestNetworkQualityEstimator::GetCurrentNetworkID()
     const {
   return nqe::internal::NetworkID(current_network_type_, current_network_id_);