Expose changes in the network quality to the renderers

net/nqe/network_quality_estimator_test_util.cc

 // 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_test_util.h"
 
 #include "base/files/file_path.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "net/base/load_flags.h"
@@ skipping 241 matching lines @@
 
   for (int i = entries.size() - 1; i >= 0; --i) {
     if (entries[i].type == type &&
         entries[i].GetIntegerValue(key, &return_value)) {
       return return_value;
     }
   }
   return return_value;
 }
 
+void TestNetworkQualityEstimator::
+    NotifyObserversOfRTTOrThroughputEstimatesComputed(
+        const net::nqe::internal::NetworkQuality& network_quality) {
+  for (auto& observer : rtt_and_throughput_estimates_observer_list_) {
+    observer.OnRTTOrThroughputEstimatesComputed(
+        network_quality.http_rtt(), network_quality.transport_rtt(),
+        network_quality.downstream_throughput_kbps());
+  }
+}
+
 nqe::internal::NetworkID TestNetworkQualityEstimator::GetCurrentNetworkID()
     const {
   return nqe::internal::NetworkID(current_network_type_, current_network_id_);
 }
 
 TestNetworkQualityEstimator::LocalHttpTestServer::LocalHttpTestServer(
     const base::FilePath& document_root) {
   AddDefaultHandlers(document_root);
 }
 
 }  // namespace net