Check-in rlz code to src\rlz from http://code.google.com/p/rlz/.

rlz/win/lib/process_info.h

+// Copyright (c) 2012 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.
+//
+// Information about the current process.
+
+#ifndef RLZ_WIN_LIB_PROCESS_INFO_H_
+#define RLZ_WIN_LIB_PROCESS_INFO_H_
+
+#include "base/basictypes.h"
+
+namespace rlz_lib {
+
+class ProcessInfo {
+ public:
+  enum IntegrityLevel {
+    INTEGRITY_UNKNOWN,
+    LOW_INTEGRITY,
+    MEDIUM_INTEGRITY,
+    HIGH_INTEGRITY,
+  };
+
+  // All these functions cache the result after first run.
+  static bool IsRunningAsSystem();
+  static bool HasAdminRights();  // System / Admin / High Elevation on Vista
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProcessInfo);
+};  // class
+};  // namespace
+
+#endif  // RLZ_WIN_LIB_PROCESS_INFO_H_