Reduce repetitive EventTarget subclassing

Source/modules/speech/SpeechRecognition.h

Index: Source/modules/speech/SpeechRecognition.h
diff --git a/Source/modules/speech/SpeechRecognition.h b/Source/modules/speech/SpeechRecognition.h
index 10747f8fdef6030efa8ca3b2b93f8ebc4b7c5279..5c6c53e319ed1bdac0535c09cdc5d54d4bbbab19 100644
--- a/Source/modules/speech/SpeechRecognition.h
+++ b/Source/modules/speech/SpeechRecognition.h
@@ -44,7 +44,7 @@ class SpeechRecognitionError;
 class SpeechRecognitionResult;
 class SpeechRecognitionResultList;
 
-class SpeechRecognition : public RefCounted<SpeechRecognition>, public ScriptWrappable, public ActiveDOMObject, public EventTarget {
+class SpeechRecognition : public RefCounted<SpeechRecognition>, public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData {
 public:
     static PassRefPtr<SpeechRecognition> create(ScriptExecutionContext*);
     ~SpeechRecognition();
@@ -110,8 +110,6 @@ private:
     // EventTarget
     virtual void refEventTarget() OVERRIDE { ref(); }
     virtual void derefEventTarget() OVERRIDE { deref(); }
-    virtual EventTargetData* eventTargetData() OVERRIDE { return &m_eventTargetData; }
-    virtual EventTargetData* ensureEventTargetData() OVERRIDE { return &m_eventTargetData; }
 
     RefPtr<SpeechGrammarList> m_grammars;
     String m_lang;
@@ -119,8 +117,6 @@ private:
     bool m_interimResults;
     unsigned long m_maxAlternatives;
 
-    EventTargetData m_eventTargetData;
-
     SpeechRecognitionController* m_controller;
     bool m_stoppedByActiveDOMObject;
     bool m_started;