Enable VM service inside Dartium Renderer processes

Source/bindings/dart/DartServiceInternal.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 DartServiceInternal_h
+#define DartServiceInternal_h
+
+#include <dart_api.h>
+
+namespace WebCore {
+
+class DartServiceInternal {
+public:
+    static Dart_Port GetPortIdFromPort(Dart_Handle port);
+    static void PostOOB(Dart_Handle targetPort, Dart_Handle replyPort, Dart_Handle message);
+};
+
+
+}
+
+#endif // DartService_h