shill: vpn: Basic class for OpenVPN management server support.

The server will be initialized and started by OpenVPNDriver before spawning
openvpn. Moved to a separate class mostly for testability reasons.

BUG=chromium-os:26994
TEST=unit tests

Change-Id: I5a310a7243d1e8a7f94ec36a9d0f8416c08ab8bb
Reviewed-on: https://gerrit.chromium.org/gerrit/18826
Commit-Ready: Darin Petkov <petkov@chromium.org>
Reviewed-by: Darin Petkov <petkov@chromium.org>
Tested-by: Darin Petkov <petkov@chromium.org>
diff --git a/mock_openvpn_driver.cc b/mock_openvpn_driver.cc
new file mode 100644
index 0000000..aa82f49
--- /dev/null
+++ b/mock_openvpn_driver.cc
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "shill/mock_openvpn_driver.h"
+
+namespace shill {
+
+MockOpenVPNDriver::MockOpenVPNDriver(const KeyValueStore &args)
+    : OpenVPNDriver(NULL, NULL, NULL, NULL, NULL, NULL, args) {}
+
+MockOpenVPNDriver::~MockOpenVPNDriver() {}
+
+}  // namespace shill