Expose RTT and downlink bandwidth using experimental Javascript API

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 58feb85237d71ba997c7c981929950156e7ce052..08c7013382ef7b0b6e9b066d870541d0c877c2aa 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -2126,8 +2126,8 @@ void RenderThreadImpl::OnNetworkQualityChanged(
     double transport_rtt_msec,
     double downlink_throughput_kbps) {
   UMA_HISTOGRAM_BOOLEAN("NQE.RenderThreadNotified", true);
-  // TODO(tbansal): https://crbug.com/719108. Notify WebNetworkStateNotifier of
-  // the change in the network quality.
+  WebNetworkStateNotifier::SetNetworkQuality(http_rtt_msec, transport_rtt_msec,
+                                             downlink_throughput_kbps);

[kinuko, 2017/05/17 02:05:45]

So we're downcasting double to int here?  Why don't we sent them in
base::TimeDelta?

[tbansal1, 2017/05/17 05:25:26]

Done. Thanks!

 }
 
 void RenderThreadImpl::SetWebKitSharedTimersSuspended(bool suspend) {