Update out-of-date comments and error messages.

courgette/patcher_x86_32.h

 // 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.
 
-// This is the transformation for Windows X86 executables.
-// The same patcher can be used for Windows X64 executables.
-
 #ifndef COURGETTE_WIN32_X86_PATCHER_H_
 #define COURGETTE_WIN32_X86_PATCHER_H_
 
 #include "courgette/ensemble.h"
 
 namespace courgette {
 
-// Courgette32X86Patcher is a TransformationPatcher for Windows 32-bit
-// and 64-bit executables.  We can use the same patcher for both.
+// PatcherX86_32 is the universal patcher for all executables.  The executable
+// type is determined by ParseDetectedExecutable function.
 //
 class PatcherX86_32 : public TransformationPatcher {
  public:
   explicit PatcherX86_32(const Region& region)
       : ensemble_region_(region),
         base_offset_(0),
         base_length_(0) {
   }
 
   Status Init(SourceStream* parameter_stream) {
@@ skipping 67 matching lines @@
   Region ensemble_region_;
 
   uint32 base_offset_;
   uint32 base_length_;
 
   DISALLOW_COPY_AND_ASSIGN(PatcherX86_32);
 };
 
 }  // namespace
 #endif  // COURGETTE_WIN32_X86_PATCHER_H_