Fix virtual/override/final usage in Source/core/html/.

Source/core/html/shadow/DateTimeSymbolicFieldElement.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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 22 matching lines @@
 namespace blink {
 
 // DateTimeSymbolicFieldElement represents non-numeric field of data time
 // format, such as: AM/PM, and month.
 class DateTimeSymbolicFieldElement : public DateTimeFieldElement, public TypeAheadDataSource {
     WTF_MAKE_NONCOPYABLE(DateTimeSymbolicFieldElement);
 
 protected:
     DateTimeSymbolicFieldElement(Document&, FieldOwner&, const Vector<String>&, int minimum, int maximum);
     size_t symbolsSize() const { return m_symbols.size(); }
-    virtual bool hasValue() const override final;
+    bool hasValue() const final;
     void initialize(const AtomicString& pseudo, const String& axHelpText);
-    virtual void setEmptyValue(EventBehavior = DispatchNoEvent) override final;
-    virtual void setValueAsInteger(int, EventBehavior = DispatchNoEvent) override final;
-    virtual int valueAsInteger() const override final;
+    void setEmptyValue(EventBehavior = DispatchNoEvent) final;
+    void setValueAsInteger(int, EventBehavior = DispatchNoEvent) final;
+    int valueAsInteger() const final;
 
 private:
     static const int invalidIndex = -1;
 
     String visibleEmptyValue() const;
     bool indexIsInRange(int index) const { return index >= m_minimumIndex && index <= m_maximumIndex; }
 
     // DateTimeFieldElement functions.
-    virtual void handleKeyboardEvent(KeyboardEvent*) override final;
-    virtual float maximumWidth(const Font&) override;
-    virtual void stepDown() override final;
-    virtual void stepUp() override final;
-    virtual String value() const override final;
-    virtual int valueForARIAValueNow() const override final;
-    virtual String visibleValue() const override final;
+    void handleKeyboardEvent(KeyboardEvent*) final;
+    float maximumWidth(const Font&) override;
+    void stepDown() final;
+    void stepUp() final;
+    String value() const final;
+    int valueForARIAValueNow() const final;
+    String visibleValue() const final;
 
     // TypeAheadDataSource functions.
-    virtual int indexOfSelectedOption() const override;
-    virtual int optionCount() const override;
-    virtual String optionAtIndex(int index) const override;
+    int indexOfSelectedOption() const override;
+    int optionCount() const override;
+    String optionAtIndex(int index) const override;
 
     const Vector<String> m_symbols;
 
     // We use AtomicString to share visible empty value among multiple
     // DateTimeEditElements in the page.
     const AtomicString m_visibleEmptyValue;
     int m_selectedIndex;
     TypeAhead m_typeAhead;
     const int m_minimumIndex;
     const int m_maximumIndex;
 };
 
 } // namespace blink
 
 #endif
 #endif