Rename EDisplay values with k prefix.

third_party/WebKit/Source/core/dom/PseudoElement.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 47 matching lines @@
   void didRecalcStyle() override;
 
   PseudoId m_pseudoId;
 };
 
 const QualifiedName& pseudoElementTagName();
 
 inline bool pseudoElementLayoutObjectIsNeeded(const ComputedStyle* style) {
   if (!style)
     return false;
-  if (style->display() == EDisplay::None)
+  if (style->display() == EDisplay::kNone)
     return false;
   if (style->styleType() == PseudoIdFirstLetter ||
       style->styleType() == PseudoIdBackdrop)
     return true;
   return style->contentData();
 }
 
 DEFINE_ELEMENT_TYPE_CASTS(PseudoElement, isPseudoElement());
 
 }  // namespace blink
 
 #endif