VM: Re-format to use at most one newline between functions

runtime/vm/object_id_ring.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 RUNTIME_VM_OBJECT_ID_RING_H_
 #define RUNTIME_VM_OBJECT_ID_RING_H_
 
+#include "platform/globals.h"
+
 namespace dart {
 
 // Forward declarations.
 class RawObject;
 class Isolate;
 class ObjectPointerVisitor;
 class JSONStream;
 
 // A ring buffer of object pointers that have been given an id. An object
 // may be pointed to by multiple ids. Objects contained in the ring will
@@ skipping 58 matching lines @@
   int32_t IdOfIndex(int32_t index);
   bool IsValidContiguous(int32_t id);
   bool IsValidId(int32_t id);
 
   DISALLOW_COPY_AND_ASSIGN(ObjectIdRing);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_OBJECT_ID_RING_H_