Update <select> when any of its <option> children has "display: none"

Source/core/html/HTMLSelectElement.h

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 98 matching lines @@
     int activeSelectionStartListIndex() const;
     int activeSelectionEndListIndex() const;
     void setActiveSelectionAnchorIndex(int);
     void setActiveSelectionEndIndex(int);
     void updateListBoxSelection(bool deselectOtherOptions);
 
     // For use in the implementation of HTMLOptionElement.
     void optionSelectionStateChanged(HTMLOptionElement*, bool optionIsSelected);
     bool anonymousIndexedSetter(unsigned, PassRefPtr<HTMLOptionElement>, ExceptionState&);
 
+    void updateListOnRenderer();
 protected:
     HTMLSelectElement(Document&, HTMLFormElement*);
 
 private:
     virtual const AtomicString& formControlType() const OVERRIDE;
 
     virtual bool shouldShowFocusRingOnMouseFocus() const OVERRIDE;
 
     virtual void dispatchFocusEvent(Element* oldFocusedElement, FocusType) OVERRIDE;
     virtual void dispatchBlurEvent(Element* newFocusedElemnet) OVERRIDE;
@@ skipping 20 matching lines @@
 
     void recalcListItems(bool updateSelectedStates = true) const;
 
     void typeAheadFind(KeyboardEvent*);
     void saveLastSelection();
 
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
 
     virtual bool isOptionalFormControl() const OVERRIDE { return !isRequiredFormControl(); }
     virtual bool isRequiredFormControl() const OVERRIDE;
+    virtual void didRecalcStyle(StyleRecalcChange) OVERRIDE;
 
     bool hasPlaceholderLabelOption() const;
 
     enum SelectOptionFlag {
         DeselectOtherOptions = 1 << 0,
         DispatchInputAndChangeEvent = 1 << 1,
         UserDriven = 1 << 2,
     };
     typedef unsigned SelectOptionFlags;
     void selectOption(int optionIndex, SelectOptionFlags = 0);
@@ skipping 39 matching lines @@
     bool m_isProcessingUserDrivenChange;
     bool m_multiple;
     bool m_activeSelectionState;
     mutable bool m_shouldRecalcListItems;
     int m_suggestedIndex;
 };
 
 } // namespace
 
 #endif