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

net/nqe/network_quality_estimator.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_NQE_NETWORK_QUALITY_ESTIMATOR_H_
 #define NET_NQE_NETWORK_QUALITY_ESTIMATOR_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 152 matching lines @@
       const std::map<std::string, std::string>& variation_params,
       bool use_local_host_requests_for_tests,
       bool use_smaller_responses_for_tests);
 
   ~NetworkQualityEstimator() override;
 
   // Returns the effective type of the current connection. Virtualized for
   // 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(
       EffectiveConnectionTypeObserver* observer);
 
   // Removes |observer| from the list of effective connection type observers.
   // Must be called on the IO thread.
   void RemoveEffectiveConnectionTypeObserver(
       EffectiveConnectionTypeObserver* observer);
 
@@ skipping 226 matching lines @@
   // the field trial parameters. For each effective connection type, a model
   // (currently composed of a RTT threshold and a downlink throughput threshold)
   // is provided by the field trial.
   void ObtainEffectiveConnectionTypeModelParams(
       const std::map<std::string, std::string>& variation_params);
 
   // Adds the default median RTT and downstream throughput estimate for the
   // 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.
   // Only the observations later than |start_time| are taken into account.
   // |percentile| must be between 0 and 100 (both inclusive) with higher
   // percentiles indicating less performant networks. For example, if
   // |percentile| is 90, then the network is expected to be faster than the
   // returned estimate with 0.9 probability. Similarly, network is expected to
   // be slower than the returned estimate with 0.1 probability.
   base::TimeDelta GetRTTEstimateInternal(
@@ skipping 163 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<NetworkQualityEstimator> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkQualityEstimator);
 };
 
 }  // namespace net
 
 #endif  // NET_NQE_NETWORK_QUALITY_ESTIMATOR_H_