Rename EDisplay values with k prefix.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility, Inc.  All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 399 matching lines @@
   return select->spatialNavigationFocusedOption() == this;
 }
 
 bool HTMLOptionElement::isDisplayNone() const {
   // If the style is not set, then the node is still unattached.
   // We have to wait till it gets attached to read the display property.
   const ComputedStyle* style = nonLayoutObjectComputedStyle();
   if (!style)
     return false;
 
-  if (style->display() != EDisplay::None) {
+  if (style->display() != EDisplay::kNone) {
     // We need to check the parent's display property.  Parent's
     // display:none doesn't override children's display properties in
     // ComputedStyle.
     Element* parent = parentElement();
     DCHECK(parent);
     if (isHTMLOptGroupElement(*parent)) {
       const ComputedStyle* parentStyle = parent->computedStyle()
                                              ? parent->computedStyle()
                                              : parent->ensureComputedStyle();
-      return !parentStyle || parentStyle->display() == EDisplay::None;
+      return !parentStyle || parentStyle->display() == EDisplay::kNone;
     }
   }
-  return style->display() == EDisplay::None;
+  return style->display() == EDisplay::kNone;
 }
 
 String HTMLOptionElement::innerText() {
   // A workaround for crbug.com/424578. We add ShadowRoot to an OPTION, but
   // innerText behavior for Shadow DOM is unclear.  We just return the same
   // string before adding ShadowRoot.
   return textContent();
 }
 
 }  // namespace blink