Fix virtual/override/final usage in Source/modules/.

Source/modules/speech/SpeechRecognitionEvent.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 23 matching lines @@
 
 namespace blink {
 
 class Document;
 
 class SpeechRecognitionEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<SpeechRecognitionEvent> create();
     static PassRefPtrWillBeRawPtr<SpeechRecognitionEvent> create(const AtomicString&, const SpeechRecognitionEventInit&);
-    virtual ~SpeechRecognitionEvent();
+    ~SpeechRecognitionEvent() override;
 
     static PassRefPtrWillBeRawPtr<SpeechRecognitionEvent> createResult(unsigned long resultIndex, const HeapVector<Member<SpeechRecognitionResult>>& results);
     static PassRefPtrWillBeRawPtr<SpeechRecognitionEvent> createNoMatch(SpeechRecognitionResult*);
 
     unsigned long resultIndex() const { return m_resultIndex; }
     SpeechRecognitionResultList* results() const { return m_results; }
 
     // These two methods are here to satisfy the specification which requires these attributes to exist.
     Document* interpretation() { return nullptr; }
     Document* emma() { return nullptr; }
 
     // Event
-    virtual const AtomicString& interfaceName() const override;
+    const AtomicString& interfaceName() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SpeechRecognitionEvent();
     SpeechRecognitionEvent(const AtomicString&, const SpeechRecognitionEventInit&);
     SpeechRecognitionEvent(const AtomicString& eventName, unsigned long resultIndex, SpeechRecognitionResultList* results);
 
     unsigned long m_resultIndex;
     PersistentWillBeMember<SpeechRecognitionResultList> m_results;
 };
 
 } // namespace blink
 
 #endif // SpeechRecognitionEvent_h