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

third_party/WebKit/Source/core/editing/EditingUtilities.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1444 matching lines @@
 {
     return createTabSpanElement(document, nullptr);
 }
 
 bool isNodeRendered(const Node& node)
 {
     LayoutObject* layoutObject = node.layoutObject();
     if (!layoutObject)
         return false;
 
-    return layoutObject->style()->visibility() == VISIBLE;
+    return layoutObject->style()->visibility() == EVisibility::Visible;
 }
 
 // return first preceding DOM position rendered at a different location, or "this"
 static Position previousCharacterPosition(const Position& position, TextAffinity affinity)
 {
     if (position.isNull())
         return Position();
 
     Element* fromRootEditableElement = rootEditableElement(*position.anchorNode());
 
@@ skipping 412 matching lines @@
             return InputType::DeleteWordBackward;
         if (granularity == LineBoundary)
             return InputType::DeleteLineBackward;
         return InputType::DeleteContentBackward;
     default:
         return InputType::None;
     }
 }
 
 } // namespace blink