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

runtime/include/dart_native_api.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_INCLUDE_DART_NATIVE_API_H_
 #define RUNTIME_INCLUDE_DART_NATIVE_API_H_
 
 #include "dart_api.h"
@@ skipping 137 matching lines @@
  * Closes the native port with the given id.
  *
  * The port must have been allocated by a call to Dart_NewNativePort.
  *
  * \param native_port_id The id of the native port to close.
  *
  * \return Returns true if the port was closed successfully.
  */
 DART_EXPORT bool Dart_CloseNativePort(Dart_Port native_port_id);
 
-
 /*
  * ==================
  * Verification Tools
  * ==================
  */
 
 /**
  * Forces all loaded classes and functions to be compiled eagerly in
  * the current isolate..
  *
  * TODO(turnidge): Document.
  */
 DART_EXPORT Dart_Handle Dart_CompileAll();
 
 /**
  * Parses all loaded functions in the current isolate..
  *
  */
 DART_EXPORT Dart_Handle Dart_ParseAll();
 
 #endif /* INCLUDE_DART_NATIVE_API_H_ */ /* NOLINT */