shill: Create mockable ModemManagerProxy on appearance of new ModemManagers.

BUG=chromium-os:17649
TEST=unit tests, tested on device

Change-Id: Id9e6500168d63493eb94bd7939e379b964bef063
Reviewed-on: http://gerrit.chromium.org/gerrit/4269
Tested-by: Darin Petkov <petkov@chromium.org>
Reviewed-by: Chris Masone <cmasone@chromium.org>
diff --git a/mock_modem_manager_proxy.h b/mock_modem_manager_proxy.h
new file mode 100644
index 0000000..0810a8d
--- /dev/null
+++ b/mock_modem_manager_proxy.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2011 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.
+
+#ifndef SHILL_MOCK_MODEM_MANAGER_PROXY_H_
+#define SHILL_MOCK_MODEM_MANAGER_PROXY_H_
+
+#include <gmock/gmock.h>
+
+#include "shill/modem_manager_proxy_interface.h"
+
+namespace shill {
+
+class MockModemManagerProxy : public ModemManagerProxyInterface {
+ public:
+  MOCK_METHOD0(EnumerateDevices, std::vector<DBus::Path>());
+};
+
+}  // namespace shill
+
+#endif  // SHILL_MOCK_MODEM_MANAGER_PROXY_H_