Start refactoring to reduce executable type knowledge.

courgette/disassembler.h

Index: courgette/disassembler.h
diff --git a/courgette/disassembler.h b/courgette/disassembler.h
index fa7c908bb9bccdf82caba0747d48690655e16052..bef1a905cb3f5b22c25c6cb7ae0bb4f921206e98 100644
--- a/courgette/disassembler.h
+++ b/courgette/disassembler.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -14,21 +14,14 @@ class PEInfo;
 
 class Disassembler {
  public:
-  // Factory methods for making disassemblers for various kinds of executables.
-  // We have only one so far.
-
-  static Disassembler* MakeDisassemberWin32X86(PEInfo* pe_info);
+  virtual ~Disassembler() {}
 
   // Disassembles the item passed to the factory method into the output
   // parameter 'program'.
   virtual bool Disassemble(AssemblyProgram* program) = 0;
 
-  // Deletes 'this' disassembler.
-  virtual void Destroy() = 0;
-
  protected:
   Disassembler() {}
-  virtual ~Disassembler() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Disassembler);