Notify NQE of TCP RTT values

net/base/network_quality_estimator.h

Index: net/base/network_quality_estimator.h
diff --git a/net/base/network_quality_estimator.h b/net/base/network_quality_estimator.h
index 9fa0ad1817604c0472f8e5bafb9f78b619cfe477..2d7426aed27638e9827d026adf84efc1e9f4ca38 100644
--- a/net/base/network_quality_estimator.h
+++ b/net/base/network_quality_estimator.h
@@ -166,6 +166,7 @@ class NET_EXPORT_PRIVATE NetworkQualityEstimator
       const Protocol protocol) override;
   void OnUpdatedRTTAvailable(const Protocol protocol,
                              const base::TimeDelta& rtt) override;
+  void OnWatcherReset() override;
 
   // Adds |rtt_observer| to the list of round trip time observers. Must be
   // called on the IO thread.
@@ -252,6 +253,7 @@ class NET_EXPORT_PRIVATE NetworkQualityEstimator
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest,
                            TestExternalEstimateProviderMergeEstimates);
   FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, TestObservers);
+  FRIEND_TEST_ALL_PREFIXES(NetworkQualityEstimatorTest, TestTcpSocketRtt);
 
   // NetworkQuality is used to cache the quality of a network connection.
   class NET_EXPORT_PRIVATE NetworkQuality {