Changed ComputedStyle's EVisibility to be an enum class and fixed naming

third_party/WebKit/Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 Apple 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.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 553 matching lines @@
 AXObjectInclusion AXLayoutObject::defaultObjectInclusion(IgnoredReasons* ignoredReasons) const
 {
     // The following cases can apply to any element that's a subclass of AXLayoutObject.
 
     if (!m_layoutObject) {
         if (ignoredReasons)
             ignoredReasons->append(IgnoredReason(AXNotRendered));
         return IgnoreObject;
     }
 
-    if (m_layoutObject->style()->visibility() != VISIBLE) {
+    if (m_layoutObject->style()->visibility() != EVisibility::Visible) {
         // aria-hidden is meant to override visibility as the determinant in AX hierarchy inclusion.
         if (equalIgnoringCase(getAttribute(aria_hiddenAttr), "false"))
             return DefaultBehavior;
 
         if (ignoredReasons)
             ignoredReasons->append(IgnoredReason(AXNotVisible));
         return IgnoreObject;
     }
 
     return AXObject::defaultObjectInclusion(ignoredReasons);
@@ skipping 2002 matching lines @@
                     result.unite(labelRect);
                 }
             }
         }
     }
 
     return result;
 }
 
 } // namespace blink