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

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/HTMLRTElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/layout/LayoutRubyText.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 inline HTMLRTElement::HTMLRTElement(Document& document)
     : HTMLElement(rtTag, document)
 {
 }
 
 DEFINE_NODE_FACTORY(HTMLRTElement)
 
 LayoutObject* HTMLRTElement::createLayoutObject(const ComputedStyle& style)
 {
-    if (style.display() == BLOCK)
+    if (style.display() == EDisplay::Block)
         return new LayoutRubyText(this);
     return LayoutObject::createObject(this, style);
 }
 
 } // namespace blink