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

Source/core/html/forms/InputType.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 42 matching lines @@
 // other than HTMLInputElement.
 // FIXME: InputType should not inherit InputTypeView. It's conceptually wrong.
 class CORE_EXPORT InputType : public InputTypeView {
     WTF_MAKE_NONCOPYABLE(InputType);
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(InputType);
 
 public:
     static PassRefPtrWillBeRawPtr<InputType> create(HTMLInputElement&, const AtomicString&);
     static PassRefPtrWillBeRawPtr<InputType> createText(HTMLInputElement&);
     static const AtomicString& normalizeTypeName(const AtomicString&);
-    virtual ~InputType();
+    ~InputType() override;
 
     virtual const AtomicString& formControlType() const = 0;
 
     // Type query functions
 
     // Any time we are using one of these functions it's best to refactor
     // to add a virtual function to allow the input type object to do the
     // work instead, or at least make a query function that asks a higher
     // level question. These functions make the HTMLInputElement class
     // inflexible because it's harder to add new input types if there is
@@ skipping 152 matching lines @@
 
     StepRange createStepRange(AnyStepHandling, const Decimal& stepBaseDefault, const Decimal& minimumDefault, const Decimal& maximumDefault, const StepRange::StepDescription&) const;
 
 private:
     // Helper for stepUp()/stepDown(). Adds step value * count to the current value.
     void applyStep(const Decimal&, int count, AnyStepHandling, TextFieldEventBehavior, ExceptionState&);
 };
 
 } // namespace blink
 #endif