Extract certificate policy application from NetworkLibrary.

chromeos/network/managed_network_configuration_handler_unittest.cc

Index: chromeos/network/managed_network_configuration_handler_unittest.cc
diff --git a/chromeos/network/managed_network_configuration_handler_unittest.cc b/chromeos/network/managed_network_configuration_handler_unittest.cc
index 49c150a4872edb8717165dbe539f7cd74dd36267..def9204afc87df29a6198bfa4f3453b7f5a05bf5 100644
--- a/chromeos/network/managed_network_configuration_handler_unittest.cc
+++ b/chromeos/network/managed_network_configuration_handler_unittest.cc
@@ -111,7 +111,11 @@ class ManagedNetworkConfigurationHandlerTest : public testing::Test {
     else
       policy = test_utils::ReadTestDictionary(path_to_onc);
 
-    managed_handler()->SetPolicy(onc::ONC_SOURCE_USER_POLICY, *policy);
+    base::ListValue* network_configs = NULL;
+    policy->GetListWithoutPathExpansion(
+        onc::toplevel_config::kNetworkConfigurations, &network_configs);
+
+    managed_handler()->SetPolicy(onc::ONC_SOURCE_USER_POLICY, *network_configs);
   }
 
   ManagedNetworkConfigurationHandler* managed_handler() {