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

third_party/WebKit/Source/core/html/HTMLImageFallbackHelper.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/HTMLImageFallbackHelper.h"
 
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/dom/ElementRareData.h"
 #include "core/dom/Text.h"
@@ skipping 81 matching lines @@
     if (newStyle->width().isSpecifiedOrIntrinsic() && newStyle->height().isSpecifiedOrIntrinsic()) {
         placeHolder->setInlineStyleProperty(CSSPropertyWidth, 100, CSSPrimitiveValue::UnitType::Percentage);
         placeHolder->setInlineStyleProperty(CSSPropertyHeight, 100, CSSPrimitiveValue::UnitType::Percentage);
     }
 
     // Make sure the broken image icon appears on the appropriate side of the image for the element's writing direction.
     brokenImage->setInlineStyleProperty(CSSPropertyFloat, AtomicString(newStyle->direction() == LTR ? "left" : "right"));
 
     // This is an <img> with no attributes, so don't display anything.
     if (noImageSourceSpecified(element) && !newStyle->width().isSpecifiedOrIntrinsic() && !newStyle->height().isSpecifiedOrIntrinsic() && toHTMLElement(element).altText().isEmpty())
-        newStyle->setDisplay(NONE);
+        newStyle->setDisplay(EDisplay::None);
 
     // This preserves legacy behaviour originally defined when alt-text was managed by LayoutImage.
     if (noImageSourceSpecified(element))
         brokenImage->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone);
     else
         brokenImage->setInlineStyleProperty(CSSPropertyDisplay, CSSValueInline);
 
     return newStyle;
 }
 
 } // namespace blink