Wire NQE Prefs to Profile

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 966 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   use_small_responses_ = use_small_responses;
   throughput_analyzer_->SetUseSmallResponsesForTesting(use_small_responses_);
 }
 
 void NetworkQualityEstimator::ReportEffectiveConnectionTypeForTesting(
     EffectiveConnectionType effective_connection_type) {
   DCHECK(thread_checker_.CalledOnValidThread());
   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(),
+                                          estimated_quality_at_last_main_frame_,
+                                          effective_connection_type));
 }
 
 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() &&
@@ skipping 783 matching lines @@
   network_quality_store_->AddNetworkQualitiesCacheObserver(observer);
 }
 
 void NetworkQualityEstimator::RemoveNetworkQualitiesCacheObserver(
     nqe::internal::NetworkQualityStore::NetworkQualitiesCacheObserver*
         observer) {
   DCHECK(thread_checker_.CalledOnValidThread());
   network_quality_store_->RemoveNetworkQualitiesCacheObserver(observer);
 }
 
+void NetworkQualityEstimator::OnPrefsRead(
+    const std::map<nqe::internal::NetworkID,
+                   nqe::internal::CachedNetworkQuality> read_prefs) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  UMA_HISTOGRAM_COUNTS("NQE.Prefs.ReadSize", read_prefs.size());
+  // TODO(tbansal): Incorporate the network quality into the current estimates.

[bengr, 2016/10/18 21:47:36]

Reference a bug.

[tbansal1, 2016/10/19 18:34:47]

Done.

+}
+
 }  // namespace net