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diff --git a/media/libjxl/src/tools/benchmark/benchmark_utils.h b/media/libjxl/src/tools/benchmark/benchmark_utils.h
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+++ b/media/libjxl/src/tools/benchmark/benchmark_utils.h
@@ -0,0 +1,35 @@
+// Copyright (c) the JPEG XL Project 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 TOOLS_BENCHMARK_BENCHMARK_UTILS_H_
+#define TOOLS_BENCHMARK_BENCHMARK_UTILS_H_
+
+#include <string>
+#include <vector>
+
+#include "lib/jxl/base/status.h"
+
+namespace jxl {
+
+class TemporaryFile final {
+ public:
+  explicit TemporaryFile(std::string basename, std::string extension);
+  TemporaryFile(const TemporaryFile&) = delete;
+  TemporaryFile& operator=(const TemporaryFile&) = delete;
+  ~TemporaryFile();
+  Status GetFileName(std::string* output) const;
+
+ private:
+  bool ok_ = true;
+
+  std::string temp_filename_;
+};
+
+Status RunCommand(const std::string& command,
+                  const std::vector<std::string>& arguments);
+
+}  // namespace jxl
+
+#endif  // TOOLS_BENCHMARK_BENCHMARK_UTILS_H_