[Courgette] Refactor: Unify Disassembler::Disassemble() and instantiate AssemblyProgram there.

courgette/disassembler_elf_32_x86.cc

 // Copyright (c) 2012 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 "courgette/disassembler_elf_32_x86.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 88 matching lines @@
 
   uint32_t section_relocs_count =
       section_header->sh_size / section_header->sh_entsize;
 
   if (abs32_locations_.empty())
     match = false;
 
   if (abs32_locations_.size() > section_relocs_count)
     match = false;
 
-  std::vector<RVA>::iterator reloc_iter = abs32_locations_.begin();
+  std::vector<RVA>::const_iterator reloc_iter = abs32_locations_.begin();
 
   while (match && (reloc_iter != abs32_locations_.end())) {
     if (section_relocs_iter->r_info != R_386_RELATIVE ||
         section_relocs_iter->r_offset != *reloc_iter) {
       match = false;
     }
     ++section_relocs_iter;
     ++reloc_iter;
   }
 
@@ skipping 73 matching lines @@
         continue;
       }
     }
     p += 1;
   }
 
   return true;
 }
 
 }  // namespace courgette