Expose RTT and downlink bandwidth using experimental Javascript API

third_party/WebKit/Source/platform/exported/WebNetworkStateNotifier.cpp

Index: third_party/WebKit/Source/platform/exported/WebNetworkStateNotifier.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebNetworkStateNotifier.cpp b/third_party/WebKit/Source/platform/exported/WebNetworkStateNotifier.cpp
index c979c0f3d48ebb45a192b12e3c1a585897d1bc24..f11bc19b92ebfc8ab2304160a4c9d3d9eea010df 100644
--- a/third_party/WebKit/Source/platform/exported/WebNetworkStateNotifier.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebNetworkStateNotifier.cpp
@@ -43,4 +43,11 @@ void WebNetworkStateNotifier::SetWebConnection(WebConnectionType type,
   GetNetworkStateNotifier().SetWebConnection(type, max_bandwidth_mbps);
 }
 
+void WebNetworkStateNotifier::SetNetworkQuality(int http_rtt_msec,
+                                                int transport_rtt_msec,
+                                                int downlink_throughput_kbps) {
+  GetNetworkStateNotifier().SetWebNetworkQuality(
+      http_rtt_msec, transport_rtt_msec, downlink_throughput_kbps);
+}
+
 }  // namespace blink