Use GetManagedProperties in InternetOptionsHandler

chromeos/network/onc/onc_signature.cc

Index: chromeos/network/onc/onc_signature.cc
diff --git a/chromeos/network/onc/onc_signature.cc b/chromeos/network/onc/onc_signature.cc
index a8139456158bcd51987dd6c5f5c6d73a6b8d8dee..5a2c965bdf21be31b9729528f423fa52c5226c36 100644
--- a/chromeos/network/onc/onc_signature.cc
+++ b/chromeos/network/onc/onc_signature.cc
@@ -178,6 +178,7 @@ const OncFieldSignature ipconfig_fields[] = {
     { ::onc::ipconfig::kRoutingPrefix, &kIntegerSignature},
     { ::onc::network_config::kSearchDomains, &kStringListSignature},
     { ::onc::ipconfig::kType, &kStringSignature},
+    { ::onc::ipconfig::kWebProxyAutoDiscoveryUrl, &kStringSignature},
     {NULL}};
 
 const OncFieldSignature proxy_location_fields[] = {
@@ -287,8 +288,13 @@ const OncFieldSignature network_configuration_fields[] = {
     { ::onc::kRecommended, &kRecommendedSignature},
     { ::onc::network_config::kEthernet, &kEthernetSignature},
     { ::onc::network_config::kGUID, &kStringSignature},
-    // Not supported for policy but for reading network state.
+
+    // IPConfig fields are not supported for policy (onc -> shill) but are
+    // supported for reading network state (shill -> onc).
     { ::onc::network_config::kIPConfigs, &kIPConfigListSignature},
+    { ::onc::network_config::kSavedIPConfig, &kIPConfigSignature},
+    { ::onc::network_config::kStaticIPConfig, &kIPConfigSignature},
+
     { ::onc::network_config::kName, &kStringSignature},
     // Not supported, yet.
     { ::onc::network_config::kNameServers, &kStringListSignature},