[Courgette] Simple AssemblyProgram and Disassembler cleanups.

courgette/disassembler_win32.cc

Index: courgette/disassembler_win32.cc
diff --git a/courgette/disassembler_win32.cc b/courgette/disassembler_win32.cc
index c2824397e6780b3127546c588c9905a93926b80e..5b94ea0af940df7e52fee7cc1c9d2c7271506b1e 100644
--- a/courgette/disassembler_win32.cc
+++ b/courgette/disassembler_win32.cc
@@ -224,26 +224,24 @@ bool DisassemblerWin32::ParseHeader() {
   return Good();
 }
 
-bool DisassemblerWin32::Disassemble(AssemblyProgram* target) {
+bool DisassemblerWin32::Disassemble(AssemblyProgram* program) {
   if (!ok())
     return false;
 
-  target->set_image_base(image_base());
-
   if (!ParseAbs32Relocs())
     return false;
 
   ParseRel32RelocsFromSections();
 
-  PrecomputeLabels(target);
-  RemoveUnusedRel32Locations(target);
+  PrecomputeLabels(program);
+  RemoveUnusedRel32Locations(program);
 
-  if (!target->GenerateInstructions(
+  if (!program->GenerateInstructions(
           base::Bind(&DisassemblerWin32::ParseFile, base::Unretained(this)))) {
     return false;
   }
 
-  target->DefaultAssignIndexes();
+  program->DefaultAssignIndexes();
   return true;
 }