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diff --git a/mozglue/baseprofiler/public/BaseProfilerRAIIMacro.h b/mozglue/baseprofiler/public/BaseProfilerRAIIMacro.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BaseProfilerRAIIMacro_h
+#define BaseProfilerRAIIMacro_h
+
+// Macros used by the AUTO_PROFILER_* macros to generate unique variable names.
+#define PROFILER_RAII_PASTE(id, line) id##line
+#define PROFILER_RAII_EXPAND(id, line) PROFILER_RAII_PASTE(id, line)
+#define PROFILER_RAII PROFILER_RAII_EXPAND(raiiObject, __LINE__)
+
+#endif // BaseProfilerRAIIMacro_h