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

Source/wtf/TypedArrayBase.h

Index: Source/wtf/TypedArrayBase.h
diff --git a/Source/wtf/TypedArrayBase.h b/Source/wtf/TypedArrayBase.h
index e0a2c46395d11ac5a4ca8dcb78644dbb57670749..43c5ccc92d7bef40200ff4dab80320c1c1016b7c 100644
--- a/Source/wtf/TypedArrayBase.h
+++ b/Source/wtf/TypedArrayBase.h
@@ -52,7 +52,7 @@ public:
         return m_length;
     }
 
-    virtual unsigned byteLength() const override final
+    unsigned byteLength() const final
     {
         return m_length * sizeof(T);
     }
@@ -108,7 +108,7 @@ protected:
         return create<Subclass>(buffer.release(), 0, length);
     }
 
-    virtual void neuter() override final
+    void neuter() final
     {
         ArrayBufferView::neuter();
         m_length = 0;