bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/html/HTMLContentElement.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #ifndef HTMLContentElement_h
 #define HTMLContentElement_h
 
 #include "core/css/CSSSelectorList.h"
 #include "core/dom/shadow/InsertionPoint.h"
 
 namespace blink {
 
 class HTMLContentElement FINAL : public InsertionPoint {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     DECLARE_NODE_FACTORY(HTMLContentElement);
     virtual ~HTMLContentElement();
 
     virtual bool canAffectSelector() const OVERRIDE { return true; }
 
     bool canSelectNode(const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth) const;
 
     const CSSSelectorList& selectorList() const;
     bool isSelectValid() const;
@@ skipping 32 matching lines @@
 {
     if (m_select.isNull() || m_select.isEmpty())
         return true;
     if (!isSelectValid())
         return false;
     if (!siblings[nth]->isElementNode())
         return false;
     return matchSelector(siblings, nth);
 }
 
-}
+} // namespace blink
 
-#endif
+#endif // HTMLContentElement_h