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

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 222 matching lines @@
     return hasRareData() ? elementRareData()->tabIndex() : 0;
 }
 
 bool Element::layoutObjectIsFocusable() const
 {
     // Elements in canvas fallback content are not rendered, but they are allowed to be
     // focusable as long as their canvas is displayed and visible.
     if (isInCanvasSubtree()) {
         const HTMLCanvasElement* canvas = Traversal<HTMLCanvasElement>::firstAncestorOrSelf(*this);
         DCHECK(canvas);
-        return canvas->layoutObject() && canvas->layoutObject()->style()->visibility() == VISIBLE;
+        return canvas->layoutObject() && canvas->layoutObject()->style()->visibility() == EVisibility::Visible;
     }
 
     // FIXME: Even if we are not visible, we might have a child that is visible.
     // Hyatt wants to fix that some day with a "has visible content" flag or the like.
-    return layoutObject() && layoutObject()->style()->visibility() == VISIBLE;
+    return layoutObject() && layoutObject()->style()->visibility() == EVisibility::Visible;
 }
 
 Node* Element::cloneNode(bool deep)
 {
     return deep ? cloneElementWithChildren() : cloneElementWithoutChildren();
 }
 
 Element* Element::cloneElementWithChildren()
 {
     Element* clone = cloneElementWithoutChildren();
@@ skipping 3525 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink