Add new shill client for VPN

chromeos/dbus/shill_service_client_unittest.cc

Index: chromeos/dbus/shill_service_client_unittest.cc
diff --git a/chromeos/dbus/shill_service_client_unittest.cc b/chromeos/dbus/shill_service_client_unittest.cc
index 3f1df25788bc1a1ccd7cf9ead351e40f8c06c412..414adac411c16070a55c369025f1566a5ddc53b5 100644
--- a/chromeos/dbus/shill_service_client_unittest.cc
+++ b/chromeos/dbus/shill_service_client_unittest.cc
@@ -144,9 +144,12 @@ TEST_F(ShillServiceClientTest, SetProperties) {
 
   // Set expectations.
   scoped_ptr<base::DictionaryValue> arg(CreateExampleServiceProperties());
-  PrepareForMethodCall(shill::kSetPropertiesFunction,
-                       base::Bind(&ExpectDictionaryValueArgument, arg.get()),
-                       response.get());
+  // Use a variant valued dictionary rather than a string valued one.
+  const bool string_valued = false;
+  PrepareForMethodCall(
+      shill::kSetPropertiesFunction,
+      base::Bind(&ExpectDictionaryValueArgument, arg.get(), string_valued),
+      response.get());
 
   // Call method.
   MockClosure mock_closure;