[oilpan] The Node hierarchy should have correct accept method chains

Source/core/html/shadow/DateTimeNumericFieldElement.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 40 matching lines @@
     struct Range {
         Range(int minimum, int maximum) : minimum(minimum), maximum(maximum) { }
         int clampValue(int) const;
         bool isInRange(int) const;
         bool isSingleton() const { return minimum == maximum; }
 
         int minimum;
         int maximum;
     };
 
-    virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
-
 protected:
     DateTimeNumericFieldElement(Handle<Document>, FieldOwner&, const Range&, const Range& hardLimits, const String& placeholder, const Step& = Step());
 
     int clampValue(int value) const { return m_range.clampValue(value); }
     virtual int defaultValueForStepDown() const;
     virtual int defaultValueForStepUp() const;
     const Range& range() const { return m_range; }
 
     // DateTimeFieldElement functions.
     virtual bool hasValue() const OVERRIDE FINAL;
     void initialize(const AtomicString& pseudo, const String& axHelpText);
     int maximum() const;
     virtual void setEmptyValue(EventBehavior = DispatchNoEvent) OVERRIDE FINAL;
     virtual void setValueAsInteger(int, EventBehavior = DispatchNoEvent) OVERRIDE;
     virtual int valueAsInteger() const OVERRIDE FINAL;
     virtual String visibleValue() const OVERRIDE FINAL;
 
+    virtual void acceptHeapVisitor(Visitor*) const OVERRIDE;
+
 private:
     // DateTimeFieldElement functions.
     virtual void didBlur() OVERRIDE FINAL;
     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;
 
     String formatValue(int) const;
     int roundUp(int) const;
     int roundDown(int) const;
     int typeAheadValue() const;
 
     DOMTimeStamp m_lastDigitCharTime;
     const String m_placeholder;
     const Range m_range;
     const Range m_hardLimits;
     const Step m_step;
     int m_value;
     bool m_hasValue;
     mutable StringBuilder m_typeAheadBuffer;
 };
 
 } // namespace WebCore
 
 #endif
 #endif