NQE: Plumb RTT and throughput estimates to the UI thread

net/nqe/network_quality_estimator.cc

 // 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.
 
 #include "net/nqe/network_quality_estimator.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <utility>
@@ skipping 790 matching lines @@
 
   for (auto& observer : effective_connection_type_observer_list_)
     observer.OnEffectiveConnectionTypeChanged(effective_connection_type);
 
   network_quality_store_->Add(current_network_id_,
                               nqe::internal::CachedNetworkQuality(
                                   tick_clock_->NowTicks(), network_quality_,
                                   effective_connection_type));
 }
 
+void NetworkQualityEstimator::ReportRTTsAndThroughputForTesting(
+    base::TimeDelta http_rtt,
+    base::TimeDelta transport_rtt,
+    int32_t downstream_throughput_kbps) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  for (auto& observer : rtt_and_throughput_estimates_observer_list_)
+    observer.OnRTTOrThroughputEstimatesComputed(http_rtt, transport_rtt,
+                                                downstream_throughput_kbps);
+}
+
 bool NetworkQualityEstimator::RequestProvidesRTTObservation(
     const URLRequest& request) const {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   return (use_localhost_requests_ || !IsLocalhost(request.url().host())) &&
          // Verify that response headers are received, so it can be ensured that
          // response is not cached.
          !request.response_info().response_time.is_null() &&
          !request.was_cached() &&
          request.creation_time() >= last_connection_change_;
@@ skipping 994 matching lines @@
       return "UnweightedAverage";
     case STATISTIC_LAST:
       NOTREACHED();
       return "";
   }
   NOTREACHED();
   return "";
 }
 
 }  // namespace net