Add Network Quality observer to NQE

net/nqe/network_quality_estimator_test_util.h

 // Copyright 2016 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.
 
 #include "net/nqe/network_quality_estimator.h"
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 64 matching lines @@
     recent_effective_connection_type_set_ = true;
     recent_effective_connection_type_ = type;
   }
 
   // Returns the effective connection type that was set using
   // |set_effective_connection_type|. If the connection type has not been set,
   // then the base implementation is called.
   EffectiveConnectionType GetRecentEffectiveConnectionType(
       const base::TimeTicks& start_time) const override;
 
+  // Returns the effective connection type that was set using
+  // |set_effective_connection_type|. If the connection type has not been set,
+  // then the base implementation is called.

[RyanSturm, 2016/10/11 01:46:26]

Add comments about how |http_rtt|, |transport_rtt| and
|downstream_throughput_kbps| are set.

[tbansal1, 2016/10/11 17:46:12]

Done.

+  EffectiveConnectionType GetRecentEffectiveConnectionTypeAndNetworkQuality(
+      const base::TimeTicks& start_time,
+      base::TimeDelta* http_rtt,
+      base::TimeDelta* transport_rtt,
+      int32_t* downstream_throughput_kbps) const override;
+
   void set_http_rtt(const base::TimeDelta& http_rtt) {
     http_rtt_set_ = true;
     http_rtt_ = http_rtt;
   }
   // Returns the HTTP RTT that was set using |set_http_rtt|. If the HTTP RTT has
   // not been set, then the base implementation is called.
   bool GetHttpRTT(base::TimeDelta* rtt) const override;
 
   void set_recent_http_rtt(const base::TimeDelta& recent_http_rtt) {
     recent_http_rtt_set_ = true;
@@ skipping 93 matching lines @@
   int32_t recent_downlink_throughput_kbps_;
 
   double rand_double_;
 
   EmbeddedTestServer embedded_test_server_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNetworkQualityEstimator);
 };
 
 }  // namespace net