Changed EDisplay to an enum class and renamed its members to be keywords

third_party/WebKit/Source/core/html/HTMLSelectElement.cpp

 /*
  * 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) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
@@ skipping 1796 matching lines @@
     if (layoutObject())
         applyTextTransform(layoutObject()->style(), itemString, ' ');
     return itemString;
 }
 
 bool HTMLSelectElement::itemIsDisplayNone(Element& element) const
 {
     if (isHTMLOptionElement(element))
         return toHTMLOptionElement(element).isDisplayNone();
     if (const ComputedStyle* style = itemComputedStyle(element))
-        return style->display() == NONE;
+        return style->display() == EDisplay::None;
     return false;
 }
 
 const ComputedStyle* HTMLSelectElement::itemComputedStyle(Element& element) const
 {
     return element.computedStyle() ? element.computedStyle() : element.ensureComputedStyle();
 }
 
 LayoutUnit HTMLSelectElement::clientPaddingLeft() const
 {
@@ skipping 196 matching lines @@
 }
 
 void HTMLSelectElement::didMutateSubtree()
 {
     DCHECK(popupIsVisible());
     DCHECK(m_popup);
     m_popup->updateFromElement(PopupMenu::ByDOMChange);
 }
 
 } // namespace blink