Cleanup in //runtime/bin

runtime/bin/utils_win.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_UTILS_WIN_H_
 #define BIN_UTILS_WIN_H_
 
 #include "platform/globals.h"
 
 namespace dart {
@@ skipping 13 matching lines @@
                           intptr_t* result_len = NULL);
   static const char* WideToUtf8(const wchar_t* wide,
                                 intptr_t len = -1,
                                 intptr_t* result_len = NULL);
   static wchar_t* Utf8ToWide(char* utf8,
                              intptr_t len = -1,
                              intptr_t* result_len = NULL);
   static const wchar_t* Utf8ToWide(const char* utf8,
                                    intptr_t len = -1,
                                    intptr_t* result_len = NULL);
+
+ private:
+  DISALLOW_ALLOCATION();
+  DISALLOW_IMPLICIT_CONSTRUCTORS(StringUtilsWin);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_UTILS_WIN_H_