Add seccomp sandbox for non-SFI NaCl

components/nacl/loader/nonsfi/nonsfi_sandbox.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_NONSFI_SANDBOX_H_
+#define COMPONENTS_NACL_LOADER_NONSFI_NONSFI_SANDBOX_H_
+
+namespace nacl {
+namespace nonsfi {
+
+// Initializes seccomp-bpf sandbox for non-SFI NaCl. This function
+// must crash on failure.
+void InitializeBPFSandbox();
+
+}  // namespace nonsfi
+}  // namespace nacl
+
+#endif  // COMPONENTS_NACL_LOADER_NONSFI_NONSFI_SANDBOX_H_