Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/speech/SpeechSynthesisEvent.h

Index: Source/modules/speech/SpeechSynthesisEvent.h
diff --git a/Source/modules/speech/SpeechSynthesisEvent.h b/Source/modules/speech/SpeechSynthesisEvent.h
index e03c8aa4aecd8788e95888dcab58efd6b05e83d8..6ac7495a1c8520fb972c1af27d29507810e30e98 100644
--- a/Source/modules/speech/SpeechSynthesisEvent.h
+++ b/Source/modules/speech/SpeechSynthesisEvent.h
@@ -31,7 +31,7 @@
 
 namespace WebCore {
 
-class SpeechSynthesisEvent : public Event {
+class SpeechSynthesisEvent FINAL : public Event {
 public:
     static PassRefPtr<SpeechSynthesisEvent> create();
     static PassRefPtr<SpeechSynthesisEvent> create(const AtomicString& type, unsigned long charIndex, float elapsedTime, const String& name);
@@ -40,7 +40,7 @@ public:
     float elapsedTime() const { return m_elapsedTime; }
     const String& name() const { return m_name; }
 
-    virtual const AtomicString& interfaceName() const { return EventNames::SpeechSynthesisEvent; }
+    virtual const AtomicString& interfaceName() const OVERRIDE { return EventNames::SpeechSynthesisEvent; }
 
 private:
     SpeechSynthesisEvent();