Expose ECT to render frames, Blink and NetInfo

net/nqe/network_quality_estimator.h

Index: net/nqe/network_quality_estimator.h
diff --git a/net/nqe/network_quality_estimator.h b/net/nqe/network_quality_estimator.h
index e9798fbf4298626027fec7d29f897fc978788298..64203cfaf8ebb6f549bec583bd3bf9fa1c07edf5 100644
--- a/net/nqe/network_quality_estimator.h
+++ b/net/nqe/network_quality_estimator.h
@@ -459,6 +459,10 @@ class NET_EXPORT NetworkQualityEstimator
   base::ObserverList<RTTAndThroughputEstimatesObserver>
       rtt_and_throughput_estimates_observer_list_;
 
+  // Observer list for changes in effective connection type.
+  base::ObserverList<EffectiveConnectionTypeObserver>
+      effective_connection_type_observer_list_;
+
  private:
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest,
                            AdaptiveRecomputationEffectiveConnectionType);
@@ -723,10 +727,6 @@ class NET_EXPORT NetworkQualityEstimator
   // system APIs. May be NULL.
   const std::unique_ptr<ExternalEstimateProvider> external_estimate_provider_;
 
-  // Observer list for changes in effective connection type.
-  base::ObserverList<EffectiveConnectionTypeObserver>
-      effective_connection_type_observer_list_;
-
   // Observer lists for round trip times and throughput measurements.
   base::ObserverList<RTTObserver> rtt_observer_list_;
   base::ObserverList<ThroughputObserver> throughput_observer_list_;