port to use centralized constants files, and add input validation

mock_child_job.h

Index: mock_child_job.h
diff --git a/mock_child_job.h b/mock_child_job.h
new file mode 100644
index 0000000000000000000000000000000000000000..7587b41bc810bd2982103d33c1d2d14efea25a39
--- /dev/null
+++ b/mock_child_job.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2010 The Chromium 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 LOGIN_MANAGER_MOCK_CHILD_JOB_H_
+#define LOGIN_MANAGER_MOCK_CHILD_JOB_H_
+
+#include "login_manager/child_job.h"
+
+#include <gmock/gmock.h>
+
+namespace login_manager {
+class MockChildJob : public ChildJob {
+ public:
+   MockChildJob() { }
+   ~MockChildJob() { }
+   MOCK_METHOD0(ShouldRun, bool());
+   MOCK_METHOD0(Toggle, void());
+   MOCK_METHOD0(Run, void());
+};
+}  // namespace login_manager
+
+#endif  // LOGIN_MANAGER_MOCK_CHILD_JOB_H_