WIP: Implement seccomp-bpf sandbox for nacl_helper_nonsfi.

content/common/sandbox_linux/sandbox_init_linux.cc

 // Copyright 2013 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.
 
 #include "content/public/common/sandbox_init.h"
 
 #include "base/files/scoped_file.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/common/sandbox_linux/sandbox_seccomp_bpf_linux.h"
 #include "sandbox/linux/bpf_dsl/policy.h"
 
 namespace content {
 
 bool InitializeSandbox(scoped_ptr<sandbox::bpf_dsl::Policy> policy,
                        base::ScopedFD proc_fd) {
   return SandboxSeccompBPF::StartSandboxWithExternalPolicy(policy.Pass(),
                                                            proc_fd.Pass());
 }
 
+#if !defined(OS_NACL_NONSFI)
 scoped_ptr<sandbox::bpf_dsl::Policy> GetBPFSandboxBaselinePolicy() {
   return SandboxSeccompBPF::GetBaselinePolicy().Pass();
 }
+#endif
 
 }  // namespace content