Recalc list items for <select> before updating style for the select.

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 116 matching lines @@
     void handleMouseRelease();
 
     int listIndexForOption(const HTMLOptionElement&);
 
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     HTMLSelectElement(Document&, HTMLFormElement*);
 
 private:
+    virtual void willRecalcStyle(StyleRecalcChange) override;
+
     virtual const AtomicString& formControlType() const override;
 
     virtual bool shouldShowFocusRingOnMouseFocus() const override;
 
     virtual void dispatchFocusEvent(Element* oldFocusedElement, WebFocusType) override;
     virtual void dispatchBlurEvent(Element* newFocusedElement, WebFocusType) override;
 
     virtual bool canStartSelection() const override { return false; }
 
     virtual bool isEnumeratable() const override { return true; }
@@ skipping 82 matching lines @@
     bool m_multiple;
     bool m_activeSelectionState;
     mutable bool m_shouldRecalcListItems;
     int m_suggestedIndex;
     bool m_isAutofilledByPreview;
 };
 
 } // namespace blink
 
 #endif // HTMLSelectElement_h