ONC: Add IPConfigType.

chromeos/network/onc/onc_normalizer.cc

Index: chromeos/network/onc/onc_normalizer.cc
diff --git a/chromeos/network/onc/onc_normalizer.cc b/chromeos/network/onc/onc_normalizer.cc
index f93882ffd9d4730e8a6c05886034fbc556455cd9..8983b942ee42023a49824e11f9be76697b960556 100644
--- a/chromeos/network/onc/onc_normalizer.cc
+++ b/chromeos/network/onc/onc_normalizer.cc
@@ -176,6 +176,13 @@ void Normalizer::NormalizeNetworkConfiguration(base::DictionaryValue* network) {
   RemoveEntryUnless(network,
                     ::onc::network_config::kWiFi,
                     type == ::onc::network_type::kWiFi);
+
+  std::string ipconfig_type;
+  network->GetStringWithoutPathExpansion(::onc::network_config::kIPConfigType,
+                                         &ipconfig_type);
+  RemoveEntryUnless(network,
+                    ::onc::network_config::kStaticIPConfig,
+                    type == ::onc::network_config::kIPConfigTypeStatic);
 }
 
 void Normalizer::NormalizeOpenVPN(base::DictionaryValue* openvpn) {