Revert of [Courgette] Refactor: Manage AssemblyProgram and EncodedProgram with scoped_ptr.

courgette/program_detector.h

-// Copyright 2016 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 COURGETTE_PROGRAM_DETECTOR_H_
-#define COURGETTE_PROGRAM_DETECTOR_H_
-
-#include <stddef.h>
-
-#include "base/memory/scoped_ptr.h"
-#include "courgette/courgette.h"
-
-namespace courgette {
-
-class AssemblyProgram;
-
-// Detects the type of an executable file, and it's length. The length may be
-// slightly smaller than some executables (like ELF), but will include all bytes
-// the courgette algorithm has special benefit for.
-// On success:
-//   Fills in |type| and |detected_length|, and returns C_OK.
-// On failure:
-//   Fills in |type| with UNKNOWN, |detected_length| with 0, and returns
-//   C_INPUT_NOT_RECOGNIZED.
-Status DetectExecutableType(const void* buffer,
-                            size_t length,
-                            ExecutableType* type,
-                            size_t* detected_length);
-
-// Attempts to detect the type of executable, and parse it with the appropriate
-// tools.
-// On success:
-//   Parses the executable into a new AssemblyProgram in |*output|, and returns
-//   C_OK.
-// On failure:
-//   Returns an error status and assigns |*output| to null.
-Status ParseDetectedExecutable(const void* buffer,
-                               size_t length,
-                               scoped_ptr<AssemblyProgram>* output);
-
-}  // namespace courgette
-
-#endif  // COURGETTE_PROGRAM_DETECTOR_H_