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

Source/core/html/shadow/DateTimeEditElement.cpp

 /*
  * 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 51 matching lines @@
     bool shouldDayOfMonthFieldDisabled() const;
     bool shouldHourFieldDisabled() const;
     bool shouldMillisecondFieldDisabled() const;
     bool shouldMinuteFieldDisabled() const;
     bool shouldSecondFieldDisabled() const;
     bool shouldYearFieldDisabled() const;
     inline const StepRange& stepRange() const { return m_parameters.stepRange; }
     DateTimeNumericFieldElement::Step createStep(double msPerFieldUnit, double msPerFieldSize) const;
 
     // DateTimeFormat::TokenHandler functions.
-    virtual void visitField(DateTimeFormat::FieldType, int) override final;
-    virtual void visitLiteral(const String&) override final;
+    void visitField(DateTimeFormat::FieldType, int) final;
+    void visitLiteral(const String&) final;
 
     DateTimeEditElement& m_editElement;
     const DateComponents m_dateValue;
     const DateTimeEditElement::LayoutParameters& m_parameters;
     DateTimeNumericFieldElement::Range m_dayRange;
     DateTimeNumericFieldElement::Range m_hour23Range;
     DateTimeNumericFieldElement::Range m_minuteRange;
     DateTimeNumericFieldElement::Range m_secondRange;
     DateTimeNumericFieldElement::Range m_millisecondRange;
 };
@@ skipping 723 matching lines @@
 {
     DateTimeFieldsState dateTimeFieldsState;
     for (size_t fieldIndex = 0; fieldIndex < m_fields.size(); ++fieldIndex)
         m_fields[fieldIndex]->populateDateTimeFieldsState(dateTimeFieldsState);
     return dateTimeFieldsState;
 }
 
 } // namespace blink
 
 #endif