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

courgette/encoded_program.h

 // Copyright (c) 2011 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_ENCODED_PROGRAM_H_
 #define COURGETTE_ENCODED_PROGRAM_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "courgette/disassembler.h"
 #include "courgette/label_manager.h"
 #include "courgette/memory_allocator.h"
 #include "courgette/types_elf.h"
 
 namespace courgette {
 
 // Stream indexes.
 const int kStreamMisc = 0;
 const int kStreamOps = 1;
@@ skipping 109 matching lines @@
   UInt32Vector rel32_ix_;
   UInt32Vector abs32_ix_;
 
   // Table of the addresses containing abs32 relocations; computed during
   // assembly, used to generate base relocation table.
   UInt32Vector abs32_relocs_;
 
   DISALLOW_COPY_AND_ASSIGN(EncodedProgram);
 };
 
+// Deserializes program from a stream set to |*output|. Returns C_OK if
+// successful, otherwise assigns |*output| to null and returns an error status.
+Status ReadEncodedProgram(SourceStreamSet* source,
+                          scoped_ptr<EncodedProgram>* output);
+
 }  // namespace courgette
+
 #endif  // COURGETTE_ENCODED_PROGRAM_H_