Expose RTT and downlink bandwidth using experimental Javascript API

third_party/WebKit/public/platform/WebNetworkStateNotifier.h

Index: third_party/WebKit/public/platform/WebNetworkStateNotifier.h
diff --git a/third_party/WebKit/public/platform/WebNetworkStateNotifier.h b/third_party/WebKit/public/platform/WebNetworkStateNotifier.h
index 396ddd5d128bc80dee573c4d2850ae737f020e79..a91b024ac867db2ff6334664a556da6c263a1af9 100644
--- a/third_party/WebKit/public/platform/WebNetworkStateNotifier.h
+++ b/third_party/WebKit/public/platform/WebNetworkStateNotifier.h
@@ -31,6 +31,7 @@
 #ifndef WebNetworkStateNotifier_h
 #define WebNetworkStateNotifier_h
 
+#include "base/time/time.h"
 #include "public/platform/WebCommon.h"
 #include "public/platform/WebConnectionType.h"
 
@@ -41,6 +42,10 @@ class WebNetworkStateNotifier {
   BLINK_PLATFORM_EXPORT static void SetOnLine(bool);
   BLINK_PLATFORM_EXPORT static void SetWebConnection(WebConnectionType,
                                                      double max_bandwidth_mbps);
+  BLINK_PLATFORM_EXPORT static void SetNetworkQuality(
+      base::TimeDelta http_rtt,
+      base::TimeDelta transport_rtt,
+      int downlink_throughput_kbps);
 
  private:
   WebNetworkStateNotifier();