NetworkChangeNotifierChromeos: Handle IPConfig property changes on the default network

chromeos/network/network_state_handler.cc

Index: chromeos/network/network_state_handler.cc
diff --git a/chromeos/network/network_state_handler.cc b/chromeos/network/network_state_handler.cc
index d1ca44f89dc48c4244762c17d353910a116d685a..6b0e58ed9741eb402e9591bc7f40b93820db0428 100644
--- a/chromeos/network/network_state_handler.cc
+++ b/chromeos/network/network_state_handler.cc
@@ -393,8 +393,14 @@ void NetworkStateHandler::UpdateNetworkServiceProperty(
   std::string prev_connection_state = network->connection_state();
   if (!network->PropertyChanged(key, value))
     return;
-  if (network->connection_state() != prev_connection_state)
+  if (network->connection_state() != prev_connection_state) {
     OnNetworkConnectionStateChanged(network);
+  } else if (network->path() == default_network_path_ &&
+             key != flimflam::kSignalStrengthProperty) {
+    // WiFi signal strength updates are too noisy, so don't
+    // trigger default network updates for those changes.
+    OnDefaultNetworkChanged();
+  }
 
   NetworkPropertiesUpdated(network);
 
@@ -405,18 +411,6 @@ void NetworkStateHandler::UpdateNetworkServiceProperty(
   network_event_log::AddEntry(kLogModule, "NetworkPropertyUpdated", detail);
 }
 
-void NetworkStateHandler::UpdateNetworkServiceIPAddress(
-    const std::string& service_path,
-    const std::string& ip_address) {
-  NetworkState* network = GetModifiableNetworkState(service_path);
-  if (!network)
-    return;
-  std::string detail = network->name() + ".IPAddress = " + ip_address;
-  network_event_log::AddEntry(kLogModule, "NetworkIPChanged", detail);
-  network->set_ip_address(ip_address);
-  NetworkPropertiesUpdated(network);
-}
-
 void NetworkStateHandler::UpdateDeviceProperty(const std::string& device_path,
                                                const std::string& key,
                                                const base::Value& value) {