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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. 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
@@ skipping 1386 matching lines @@
     if (style()->backgroundLayers().next())
         return false;
     return backgroundClipRect().contains(localRect);
 }
 
 static bool isCandidateForOpaquenessTest(const LayoutBox& childBox)
 {
     const ComputedStyle& childStyle = childBox.styleRef();
     if (childStyle.position() != StaticPosition && childBox.containingBlock() != childBox.parent())
         return false;
-    if (childStyle.visibility() != VISIBLE || childStyle.shapeOutside())
+    if (childStyle.visibility() != EVisibility::Visible || childStyle.shapeOutside())
         return false;
     if (childBox.size().isZero())
         return false;
     if (PaintLayer* childLayer = childBox.layer()) {
         // FIXME: perhaps this could be less conservative?
         if (childLayer->compositingState() != NotComposited)
             return false;
         // FIXME: Deal with z-index.
         if (childStyle.isStackingContext())
             return false;
@@ skipping 634 matching lines @@
     // and ensuring it may hurt performance.
     // TODO(wangxianzhu): Paint invalidation for clip change will be different in spv2.
     if (hasClipRelatedProperty() || hasControlClip())
         return false;
 
     return true;
 }
 
 LayoutRect LayoutBox::localOverflowRectForPaintInvalidation() const
 {
-    if (style()->visibility() != VISIBLE)
+    if (style()->visibility() != EVisibility::Visible)
         return LayoutRect();
 
     return selfVisualOverflowRect();
 }
 
 void LayoutBox::inflateVisualRectForReflectionAndFilterUnderContainer(LayoutRect& rect, const LayoutObject& container, const LayoutBoxModelObject* ancestorToStopAt) const
 {
     // Apply visual overflow caused by reflections and filters defined on objects between this object
     // and container (not included) or ancestorToStopAt (included).
     LayoutSize offsetFromContainer = this->offsetFromContainer(&container);
@@ skipping 1806 matching lines @@
 
     // Pass off to the closest child.
     LayoutUnit minDist = LayoutUnit::max();
     LayoutBox* closestLayoutObject = nullptr;
     LayoutPoint adjustedPoint = point;
     if (isTableRow())
         adjustedPoint.moveBy(location());
 
     for (LayoutObject* layoutObject = firstChild; layoutObject; layoutObject = layoutObject->nextSibling()) {
         if ((!layoutObject->slowFirstChild() && !layoutObject->isInline() && !layoutObject->isLayoutBlockFlow() )
-            || layoutObject->style()->visibility() != VISIBLE)
+            || layoutObject->style()->visibility() != EVisibility::Visible)
             continue;
 
         if (!layoutObject->isBox())
             continue;
 
         LayoutBox* layoutBox = toLayoutBox(layoutObject);
 
         LayoutUnit top = layoutBox->borderTop() + layoutBox->paddingTop() + (isTableRow() ? LayoutUnit() : layoutBox->location().y());
         LayoutUnit bottom = top + layoutBox->contentHeight();
         LayoutUnit left = layoutBox->borderLeft() + layoutBox->paddingLeft() + (isTableRow() ? LayoutUnit() : layoutBox->location().x());
@@ skipping 1088 matching lines @@
         m_rareData->m_snapAreas->remove(&snapArea);
     }
 }
 
 SnapAreaSet* LayoutBox::snapAreas() const
 {
     return m_rareData ? m_rareData->m_snapAreas.get() : nullptr;
 }
 
 } // namespace blink