Use NQE's GetECT() API for data reduction proxy

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 33c6c989dd386c489be1a1194e2f0e8a5bf88ef3..576484299f603e75492e43b431c772b5564134ca 100644
--- a/net/nqe/network_quality_estimator.h
+++ b/net/nqe/network_quality_estimator.h
@@ -170,6 +170,11 @@ class NET_EXPORT_PRIVATE NetworkQualityEstimator
   // testing.
   virtual EffectiveConnectionType GetEffectiveConnectionType() const;
 
+  // Returns the effective type of the current connection based on only the
+  // samples observed after |start_time|. Virtualized for testing.
+  virtual EffectiveConnectionType GetRecentEffectiveConnectionType(
+      const base::TimeTicks& start_time) const;
+
   // Adds |observer| to the list of effective connection type observers. Must be
   // called on the IO thread.
   void AddEffectiveConnectionTypeObserver(
@@ -416,11 +421,6 @@ class NET_EXPORT_PRIVATE NetworkQualityEstimator
   // current connection type to the observation buffer.
   void AddDefaultEstimates();
 
-  // Returns the effective type of the current connection based on only the
-  // samples observed after |start_time|.
-  EffectiveConnectionType GetRecentEffectiveConnectionType(
-      const base::TimeTicks& start_time) const;
-
   // Returns an estimate of network quality at the specified |percentile|.
   // |disallowed_observation_sources| is the list of observation sources that
   // should be excluded when computing the percentile.