Cleanup in //runtime/bin

runtime/bin/io_service.h

 // Copyright (c) 2013, 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_IO_SERVICE_H_
 #define BIN_IO_SERVICE_H_
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 
-
 namespace dart {
 namespace bin {
 
 // This list must be kept in sync with the list in sdk/lib/io/io_service.dart
 #define IO_SERVICE_REQUEST_LIST(V)                                             \
   V(File, Exists, 0)                                                           \
   V(File, Create, 1)                                                           \
   V(File, Delete, 2)                                                           \
   V(File, Rename, 3)                                                           \
   V(File, Copy, 4)                                                             \
@@ skipping 36 matching lines @@
 #define DECLARE_REQUEST(type, method, id)                                      \
   k##type##method##Request = id,
 
 class IOService {
  public:
   enum {
 IO_SERVICE_REQUEST_LIST(DECLARE_REQUEST)
   };
 
   static Dart_Port GetServicePort();
+
+ private:
+  DISALLOW_ALLOCATION();
+  DISALLOW_IMPLICIT_CONSTRUCTORS(IOService);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_IO_SERVICE_H_