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

third_party/WebKit/Source/core/layout/LayoutTextTrackContainer.cpp

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 23 matching lines @@
 
 LayoutTextTrackContainer::LayoutTextTrackContainer(Element* element)
     : LayoutBlockFlow(element)
     , m_fontSize(0)
 {
 }
 
 void LayoutTextTrackContainer::layout()
 {
     LayoutBlockFlow::layout();
-    if (style()->display() == NONE)
+    if (style()->display() == EDisplay::None)
         return;
 
     DeprecatedScheduleStyleRecalcDuringLayout marker(node()->document().lifecycle());
 
     LayoutObject* mediaLayoutObject = parent();
     if (!mediaLayoutObject || !mediaLayoutObject->isVideo())
         return;
     if (updateSizes(toLayoutVideo(*mediaLayoutObject)))
         toElement(node())->setInlineStyleProperty(CSSPropertyFontSize, m_fontSize, CSSPrimitiveValue::UnitType::Pixels);
 }
@@ skipping 14 matching lines @@
     // C11 5.2.4.2.2:9 requires assignment and cast to remove extra precision, but the behavior
     // is currently not portable. fontSize may have precision higher than m_fontSize thus
     // straight comparison can fail despite they cast to the same float value.
     volatile float& m_fontSize = this->m_fontSize;
     float oldFontSize = m_fontSize;
     m_fontSize = fontSize;
     return m_fontSize != oldFontSize;
 }
 
 } // namespace blink