Make header include guards great again

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_
+#ifndef RUNTIME_BIN_IO_SERVICE_H_
+#define RUNTIME_BIN_IO_SERVICE_H_
 
 #if defined(DART_IO_DISABLED) || defined(DART_IO_SECURE_SOCKET_DISABLED)
 #error "io_service.h can only be included on builds with IO and SSL enabled"
 #endif
 
 #include "bin/builtin.h"
 #include "bin/utils.h"
 
 namespace dart {
 namespace bin {
@@ skipping 53 matching lines @@
   static Dart_Port GetServicePort();
 
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(IOService);
 };
 
 }  // namespace bin
 }  // namespace dart
 
-#endif  // BIN_IO_SERVICE_H_
+#endif  // RUNTIME_BIN_IO_SERVICE_H_