Non-SFI mode: Remove old Non-SFI code.

components/nacl/loader/nonsfi/elf_loader.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_ELF_LOADER_H_
-#define COMPONENTS_NACL_LOADER_NONSFI_ELF_LOADER_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "native_client/src/include/portability.h"
-#include "native_client/src/trusted/service_runtime/nacl_error_code.h"
-
-#if !defined(OS_LINUX)
-#error Non SFI mode is currently supported only on linux.
-#endif
-
-struct NaClDesc;
-
-namespace nacl {
-namespace nonsfi {
-
-class ElfImage {
- public:
-  ElfImage();
-  ~ElfImage();
-
-  // Available only after Load() is called.
-  uintptr_t entry_point() const;
-
-  // Reads the ELF file from the descriptor and stores the header information
-  // into this instance.
-  NaClErrorCode Read(struct NaClDesc* descriptor);
-
-  // Loads the ELF executable to the memory.
-  NaClErrorCode Load(struct NaClDesc* descriptor);
-
- private:
-  struct Data;
-  ::scoped_ptr<Data> data_;
-
-  DISALLOW_COPY_AND_ASSIGN(ElfImage);
-};
-
-}  // namespace nonsfi
-}  // namespace nacl
-
-#endif  // COMPONENTS_NACL_LOADER_NONSFI_ELF_LOADER_H_