Update HTML forms classes to use OVERRIDE / FINAL when needed

Source/core/html/forms/MonthInputType.h

Index: Source/core/html/forms/MonthInputType.h
diff --git a/Source/core/html/forms/MonthInputType.h b/Source/core/html/forms/MonthInputType.h
index ee2bbf2bf24892f7fdf23c0ece6c9a10adbb5b0f..9baf95cf9131342801279e3ceaf2d02e735245d9 100644
--- a/Source/core/html/forms/MonthInputType.h
+++ b/Source/core/html/forms/MonthInputType.h
@@ -42,7 +42,7 @@ typedef BaseMultipleFieldsDateAndTimeInputType BaseMonthInputType;
 typedef BaseChooserOnlyDateAndTimeInputType BaseMonthInputType;
 #endif
 
-class MonthInputType : public BaseMonthInputType {
+class MonthInputType FINAL : public BaseMonthInputType {
 public:
     static PassRefPtr<InputType> create(HTMLInputElement&);
 
@@ -61,9 +61,9 @@ private:
 
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     // BaseMultipleFieldsDateAndTimeInputType functions
-    virtual String formatDateTimeFieldsState(const DateTimeFieldsState&) const OVERRIDE FINAL;
-    virtual void setupLayoutParameters(DateTimeEditElement::LayoutParameters&, const DateComponents&) const OVERRIDE FINAL;
-    virtual bool isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const;
+    virtual String formatDateTimeFieldsState(const DateTimeFieldsState&) const OVERRIDE;
+    virtual void setupLayoutParameters(DateTimeEditElement::LayoutParameters&, const DateComponents&) const OVERRIDE;
+    virtual bool isValidFormat(bool hasYear, bool hasMonth, bool hasWeek, bool hasDay, bool hasAMPM, bool hasHour, bool hasMinute, bool hasSecond) const OVERRIDE;
 #endif
 };