Expose RTT and downlink bandwidth using experimental Javascript API

content/browser/net/network_quality_observer_impl.cc

 // Copyright 2017 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 "content/browser/net/network_quality_observer_impl.h"
 
 #include "base/memory/ptr_util.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 63 matching lines @@
   void OnRTTOrThroughputEstimatesComputed(
       const net::nqe::internal::NetworkQuality& network_quality) {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
     last_notified_network_quality_ = network_quality;
 
     // Notify all the existing renderers of the change in the network quality.
     for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator());
          !it.IsAtEnd(); it.Advance()) {
       it.GetCurrentValue()->GetRendererInterface()->OnNetworkQualityChanged(
-          last_notified_network_quality_.http_rtt().InMilliseconds(),
-          last_notified_network_quality_.transport_rtt().InMilliseconds(),
+          last_notified_network_quality_.http_rtt(),
+          last_notified_network_quality_.transport_rtt(),
           last_notified_network_quality_.downstream_throughput_kbps());
     }
   }
 
  private:
   // NotificationObserver implementation:
   void Observe(int type,
                const NotificationSource& source,
                const NotificationDetails& details) override {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     DCHECK_EQ(NOTIFICATION_RENDERER_PROCESS_CREATED, type);
 
     RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr();
 
     // Notify the newly created renderer of the current network quality.
     rph->GetRendererInterface()->OnNetworkQualityChanged(
-        last_notified_network_quality_.http_rtt().InMilliseconds(),
-        last_notified_network_quality_.transport_rtt().InMilliseconds(),
+        last_notified_network_quality_.http_rtt(),
+        last_notified_network_quality_.transport_rtt(),
         last_notified_network_quality_.downstream_throughput_kbps());
   }
 
   content::NotificationRegistrar registrar_;
 
   // The network quality that was last sent to the renderers.
   net::nqe::internal::NetworkQuality last_notified_network_quality_;
 
   DISALLOW_COPY_AND_ASSIGN(UiThreadObserver);
 };
@@ skipping 61 matching lines @@
 }
 
 std::unique_ptr<net::NetworkQualityEstimator::RTTAndThroughputEstimatesObserver>
 CreateNetworkQualityObserver(
     net::NetworkQualityEstimator* network_quality_estimator) {
   return base::MakeUnique<NetworkQualityObserverImpl>(
       network_quality_estimator);
 }
 
 }  // namespace content