NetInfo default values

third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp

Index: third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp
diff --git a/third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp b/third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp
index 46d6824a532edc1fb752bf0acf1708e31ab9f588..a9662b72de7cecfebbef013e6f6ac2ba094e4d35 100644
--- a/third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp
+++ b/third_party/WebKit/Source/platform/network/NetworkStateNotifier.cpp
@@ -159,6 +159,25 @@ void NetworkStateNotifier::SetOverride(bool on_line,
     override_.connection_initialized = true;
     override_.type = type;
     override_.max_bandwidth_mbps = max_bandwidth_mbps;
+
+    // Override network quality values when testing.
+    if (!override_.http_rtt.has_value()) {
+      override_.http_rtt = state_.http_rtt.has_value()
+                               ? state_.http_rtt
+                               : base::TimeDelta::FromSeconds(1);
+    }
+    if (!override_.transport_rtt.has_value()) {
+      override_.transport_rtt = state_.transport_rtt.has_value()
+                                    ? state_.transport_rtt
+                                    : base::TimeDelta::FromSeconds(1);
+    }
+    if (!override_.downlink_throughput_mbps.has_value()) {
+      override_.downlink_throughput_mbps = state_.downlink_throughput_mbps;
+      override_.downlink_throughput_mbps =
+          state_.downlink_throughput_mbps.has_value()
+              ? state_.downlink_throughput_mbps
+              : 1.0;
+    }
   }
 }