Revert of Add seccomp sandbox for non-SFI NaCl

components/nacl/loader/nonsfi/nonsfi_sandbox.h

Index: components/nacl/loader/nonsfi/nonsfi_sandbox.h
diff --git a/components/nacl/loader/nonsfi/nonsfi_sandbox.h b/components/nacl/loader/nonsfi/nonsfi_sandbox.h
deleted file mode 100644
index 28e9cff8fe14e476006a5e03a088cd77140ed1f2..0000000000000000000000000000000000000000
--- a/components/nacl/loader/nonsfi/nonsfi_sandbox.h
+++ /dev/null
@@ -1,39 +0,0 @@
-// 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_
-
-#include "base/basictypes.h"
-#include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h"
-
-namespace nacl {
-namespace nonsfi {
-
-// The seccomp sandbox policy for NaCl non-SFI mode. Note that this
-// policy must be as strong as possible, as non-SFI mode heavily
-// depends on seccomp sandbox.
-class NaClNonSfiBPFSandboxPolicy : public sandbox::SandboxBPFPolicy {
- public:
-  explicit NaClNonSfiBPFSandboxPolicy() {}
-  virtual ~NaClNonSfiBPFSandboxPolicy() {}
-
-  virtual sandbox::ErrorCode EvaluateSyscall(sandbox::SandboxBPF* sb,
-                                             int sysno) const OVERRIDE;
-
-  static sandbox::ErrorCode EvaluateSyscallImpl(sandbox::SandboxBPF* sb,
-                                                int sysno, void*);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NaClNonSfiBPFSandboxPolicy);
-};
-
-// Initializes seccomp-bpf sandbox for non-SFI NaCl. Returns false on
-// failure.
-bool InitializeBPFSandbox();
-
-}  // namespace nonsfi
-}  // namespace nacl
-
-#endif  // COMPONENTS_NACL_LOADER_NONSFI_NONSFI_SANDBOX_H_