Add network quality change events to net log

components/cronet/android/cronet_url_request_context_adapter.cc

 // Copyright 2014 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 "components/cronet/android/cronet_url_request_context_adapter.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 606 matching lines @@
     // Configure network quality estimator: Specify the algorithm that should
     // be used for computing the effective connection type. The algorithm
     // is specified using the key-value pairs defined in
     // //net/nqe/network_quality_estimator.cc.
     // TODO(tbansal): Investigate a more robust way of configuring the network
     // quality estimator.
     variation_params["effective_connection_type_algorithm"] =
         "TransportRTTOrDownstreamThroughput";
     network_quality_estimator_.reset(new net::NetworkQualityEstimator(
         std::unique_ptr<net::ExternalEstimateProvider>(), variation_params,
-        false, false));
+        false, false, g_net_log.Get().net_log()));
     // Set the socket performance watcher factory so that network quality
     // estimator is notified of socket performance metrics from TCP and QUIC.
     context_builder.set_socket_performance_watcher_factory(
         network_quality_estimator_->GetSocketPerformanceWatcherFactory());
     network_quality_estimator_->AddEffectiveConnectionTypeObserver(this);
     network_quality_estimator_->AddRTTAndThroughputEstimatesObserver(this);
   }
 
   context_ = context_builder.Build();
 
@@ skipping 461 matching lines @@
     JNIEnv* env,
     const JavaParamRef<jclass>& jcaller) {
   base::StatisticsRecorder::Initialize();
   std::vector<uint8_t> data;
   if (!HistogramManager::GetInstance()->GetDeltas(&data))
     return ScopedJavaLocalRef<jbyteArray>();
   return base::android::ToJavaByteArray(env, &data[0], data.size());
 }
 
 }  // namespace cronet