Adding error handling to ONC validation.

chrome/browser/policy/network_configuration_updater.cc

Index: chrome/browser/policy/network_configuration_updater.cc
diff --git a/chrome/browser/policy/network_configuration_updater.cc b/chrome/browser/policy/network_configuration_updater.cc
index 8842cf5b8f5c18309fc2b6bbe5b7ace1018d2390..c692c19d5234a9dfb00d352b1d0c901f5415bbe1 100644
--- a/chrome/browser/policy/network_configuration_updater.cc
+++ b/chrome/browser/policy/network_configuration_updater.cc
@@ -9,14 +9,12 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
+#include "chrome/browser/chromeos/network_settings/onc_utils.h"
 #include "chrome/browser/policy/policy_map.h"
 #include "policy/policy_constants.h"
 
 namespace policy {
 
-const char NetworkConfigurationUpdater::kEmptyConfiguration[] =
-    "{\"NetworkConfigurations\":[],\"Certificates\":[]}";
-
 NetworkConfigurationUpdater::NetworkConfigurationUpdater(
     PolicyService* policy_service,
     chromeos::NetworkLibrary* network_library)
@@ -95,7 +93,7 @@ void NetworkConfigurationUpdater::ApplyNetworkConfiguration(
   // An empty string is not a valid ONC and generates warnings and
   // errors. Replace by a valid empty configuration.
   if (new_network_config.empty())
-    new_network_config = kEmptyConfiguration;
+    new_network_config = chromeos::onc::kEmptyUnencryptedConfiguration;
 
   std::string unused_error;
   network_library_->LoadOncNetworks(new_network_config, "", onc_source,