Implement nacl_irt_fdio for non-sfi mode.

components/nacl/loader/nonsfi/abi_conversion.h

+// Copyright 2014 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 COMPONENTS_NACL_LOADER_NONSFI_ABI_CONVERSION_H_
+#define COMPONENTS_NACL_LOADER_NONSFI_ABI_CONVERSION_H_
+
+struct stat;
+struct nacl_abi_stat;
+
+namespace nacl {
+namespace nonsfi {
+
+// Converts the stat struct from host's to NaCl's ABI.
+void StatToNaClAbiStat(
+    const struct stat& host_stat, struct nacl_abi_stat* nacl_stat);
+
+}  // namespace nonsfi
+}  // namespace nacl
+
+#endif  // COMPONENTS_NACL_LOADER_NONSFI_ABI_CONVERSION_H_