Cleanup in //runtime/bin

runtime/bin/isolate_data.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_ISOLATE_DATA_H_
 #define BIN_ISOLATE_DATA_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/globals.h"
 
-
 namespace dart {
 namespace bin {
 
 // Forward declaration.
 class EventHandler;
 
 // Data associated with every isolate in the standalone VM
 // embedding. This is used to free external resources for each isolate
 // when the isolate shuts down.
 class IsolateData {
@@ skipping 50 matching lines @@
  private:
   Dart_Handle builtin_lib_;
 
   DISALLOW_COPY_AND_ASSIGN(IsolateData);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_ISOLATE_DATA_H_