bindings: Adds virtual ScriptWrappable::wrap method.

Source/modules/speech/SpeechRecognitionAlternative.h

 /*
  * Copyright (C) 2012 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 copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ExecutionContext;
 
 class SpeechRecognitionAlternative FINAL : public GarbageCollectedFinalized<SpeechRecognitionAlternative>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static SpeechRecognitionAlternative* create(const String&, double);
 
     const String& transcript() const { return m_transcript; }
     double confidence() const { return m_confidence; }
 
     void trace(Visitor*) { }
 
 private:
     SpeechRecognitionAlternative(const String&, double);
 
     String m_transcript;
     double m_confidence;
 };
 
 } // namespace blink
 
 #endif // SpeechRecognitionAlternative_h