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

third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

 /*
  * Copyright (C) 2013 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 266 matching lines @@
 #endif
 
     const CSSAnimationData* animationData = style.animations();
     const CSSAnimations* cssAnimations = elementAnimations ? &elementAnimations->cssAnimations() : nullptr;
     const Element* elementForScoping = animatingElement ? animatingElement : &element;
 
     Vector<bool> cancelRunningAnimationFlags(cssAnimations ? cssAnimations->m_runningAnimations.size() : 0);
     for (bool& flag : cancelRunningAnimationFlags)
         flag = true;
 
-    if (animationData && style.display() != NONE) {
+    if (animationData && style.display() != EDisplay::None) {
         const Vector<AtomicString>& nameList = animationData->nameList();
         for (size_t i = 0; i < nameList.size(); ++i) {
             AtomicString name = nameList[i];
             if (name == CSSAnimationData::initialName())
                 continue;
 
             // Find n where this is the nth occurence of this animation name.
             size_t nameIndex = 0;
             for (size_t j = 0; j < i; j++) {
                 if (nameList[j] == name)
@@ skipping 333 matching lines @@
     // In debug builds we verify that it would have been safe to avoid populating and testing listedProperties if the style recalc is due to animation.
     const bool animationStyleRecalc = false;
 #else
     // In release builds we avoid the cost of checking for new and interrupted transitions if the style recalc is due to animation.
     const bool animationStyleRecalc = elementAnimations && elementAnimations->isAnimationStyleChange();
 #endif
 
     std::bitset<numCSSProperties> listedProperties;
     bool anyTransitionHadTransitionAll = false;
     const LayoutObject* layoutObject = animatingElement->layoutObject();
-    if (!animationStyleRecalc && style.display() != NONE && layoutObject && layoutObject->style() && transitionData) {
+    if (!animationStyleRecalc && style.display() != EDisplay::None && layoutObject && layoutObject->style() && transitionData) {
         const ComputedStyle& oldStyle = *layoutObject->style();
 
         for (size_t i = 0; i < transitionData->propertyList().size(); ++i) {
             const CSSTransitionData::TransitionProperty& transitionProperty = transitionData->propertyList()[i];
             if (transitionProperty.propertyType != CSSTransitionData::TransitionKnownProperty)
                 continue;
 
             CSSPropertyID property = resolveCSSPropertyID(transitionProperty.unresolvedProperty);
             bool animateAll = property == CSSPropertyAll;
             if (animateAll)
@@ skipping 245 matching lines @@
 }
 
 DEFINE_TRACE(CSSAnimations)
 {
     visitor->trace(m_transitions);
     visitor->trace(m_pendingUpdate);
     visitor->trace(m_runningAnimations);
 }
 
 } // namespace blink