Expose changes in the network quality to the renderers

net/nqe/network_quality_estimator_test_util.h

Index: net/nqe/network_quality_estimator_test_util.h
diff --git a/net/nqe/network_quality_estimator_test_util.h b/net/nqe/network_quality_estimator_test_util.h
index 4718a47786e617f245aa4eed048a5c949ac85864..1b21b6ad9a5cb1bd700c2bb6556303519e0376b1 100644
--- a/net/nqe/network_quality_estimator_test_util.h
+++ b/net/nqe/network_quality_estimator_test_util.h
@@ -203,6 +203,11 @@ class TestNetworkQualityEstimator : public NetworkQualityEstimator {
   int GetNetLogLastIntegerValue(NetLogEventType type,
                                 const std::string& key) const;
 
+  // Notifies the registered observers that the network quality estimate has
+  // changed to |network_quality|.
+  void NotifyObserversOfRTTOrThroughputEstimatesComputed(
+      const net::nqe::internal::NetworkQuality& network_quality);
+
   using NetworkQualityEstimator::SetTickClockForTesting;
   using NetworkQualityEstimator::OnConnectionTypeChanged;
   using NetworkQualityEstimator::OnUpdatedRTTAvailable;