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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 1131 matching lines @@
         return createPositionWithAffinity(caretMaxOffset());
     if (pointLogicalTop < 0)
         return createPositionWithAffinity(caretMinOffset());
     if (pointLogicalTop >= logicalHeight())
         return createPositionWithAffinity(caretMaxOffset());
     return PositionWithAffinity();
 }
 
 static inline bool isChildHitTestCandidate(LayoutBox* box)
 {
-    return box->size().height() && box->style()->visibility() == VISIBLE && !box->isFloatingOrOutOfFlowPositioned() && !box->isLayoutFlowThread();
+    return box->size().height() && box->style()->visibility() == EVisibility::Visible && !box->isFloatingOrOutOfFlowPositioned() && !box->isLayoutFlowThread();
 }
 
 PositionWithAffinity LayoutBlock::positionForPoint(const LayoutPoint& point)
 {
     if (isTable())
         return LayoutBox::positionForPoint(point);
 
     if (isAtomicInlineLevel()) {
         PositionWithAffinity position = positionForPointIfOutsideAtomicInlineLevel(point);
         if (!position.isNull())
@@ skipping 704 matching lines @@
         for (TrackedLayoutBoxListHashSet::const_iterator it = positionedDescendantSet->begin(); it != end; ++it) {
             LayoutBox* currBox = *it;
             ASSERT(!currBox->needsLayout());
         }
     }
 }
 
 #endif
 
 } // namespace blink