Start calculating new combined NetworkChangeNotifier signal

chrome/browser/chromeos/net/network_change_notifier_chromeos.cc

Index: chrome/browser/chromeos/net/network_change_notifier_chromeos.cc
diff --git a/chrome/browser/chromeos/net/network_change_notifier_chromeos.cc b/chrome/browser/chromeos/net/network_change_notifier_chromeos.cc
index 9cdab7be9f7931c639856e393f0a9a898277e9da..c854e1e38d3753ac9b4a58618049ea92a8881afc 100644
--- a/chrome/browser/chromeos/net/network_change_notifier_chromeos.cc
+++ b/chrome/browser/chromeos/net/network_change_notifier_chromeos.cc
@@ -51,7 +51,8 @@ class NetworkChangeNotifierChromeos::DnsConfigServiceChromeos
 };
 
 NetworkChangeNotifierChromeos::NetworkChangeNotifierChromeos()
-    : has_active_network_(false),
+    : NetworkChangeNotifier(NetworkChangeCalculatorParamsChromeos()),
+      has_active_network_(false),
       connection_state_(chromeos::STATE_UNKNOWN),
       connection_type_(CONNECTION_NONE),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
@@ -335,4 +336,17 @@ NetworkChangeNotifierChromeos::GetNetworkConnectionType(
   return net::NetworkChangeNotifier::CONNECTION_UNKNOWN;
 }
 
+// static
+net::NetworkChangeNotifier::NetworkChangeCalculatorParams
+NetworkChangeNotifierChromeos::NetworkChangeCalculatorParamsChromeos() {
+  NetworkChangeCalculatorParams params;
+  // Delay values arrived at by simple experimentation and adjusted so as to
+  // produce a single signal when switching between network connections.
+  params.ip_address_offline_delay_ = base::TimeDelta::FromMilliseconds(4000);
+  params.ip_address_online_delay_ = base::TimeDelta::FromMilliseconds(1000);
+  params.connection_type_offline_delay_ = base::TimeDelta::FromMilliseconds(0);
+  params.connection_type_online_delay_ = base::TimeDelta::FromMilliseconds(0);
+  return params;
+}
+
 }  // namespace chromeos