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

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

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index 78d02a87c11a1c59fab1f61efe381b2dd8aebd62..27d0c95710076fd610f30fde0fe90a8d3a8824a8 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -2690,7 +2690,7 @@ void LayoutObject::insertedIntoTree()
 
     // If |this| is visible but this object was not, tell the layer it has some visible content
     // that needs to be drawn and layer visibility optimization can't be used
-    if (parent()->style()->visibility() != VISIBLE && style()->visibility() == VISIBLE && !hasLayer()) {
+    if (parent()->style()->visibility() != EVisibility::Visible && style()->visibility() == EVisibility::Visible && !hasLayer()) {
         if (!layer)
             layer = parent()->enclosingLayer();
         if (layer)
@@ -2747,7 +2747,7 @@ void LayoutObject::willBeRemovedFromTree()
 
     // If we remove a visible child from an invisible parent, we don't know the layer visibility any more.
     PaintLayer* layer = nullptr;
-    if (parent()->style()->visibility() != VISIBLE && style()->visibility() == VISIBLE && !hasLayer()) {
+    if (parent()->style()->visibility() != EVisibility::Visible && style()->visibility() == EVisibility::Visible && !hasLayer()) {
         layer = parent()->enclosingLayer();
         if (layer)
             layer->dirtyVisibleContentStatus();
@@ -3140,7 +3140,7 @@ void LayoutObject::getTextDecorations(unsigned decorations, AppliedTextDecoratio
 void LayoutObject::addAnnotatedRegions(Vector<AnnotatedRegionValue>& regions)
 {
     // Convert the style regions to absolute coordinates.
-    if (style()->visibility() != VISIBLE || !isBox())
+    if (style()->visibility() != EVisibility::Visible || !isBox())
         return;
 
     if (style()->getDraggableRegionMode() == DraggableRegionNone)
@@ -3159,7 +3159,7 @@ void LayoutObject::addAnnotatedRegions(Vector<AnnotatedRegionValue>& regions)
 bool LayoutObject::willRenderImage()
 {
     // Without visibility we won't render (and therefore don't care about animation).
-    if (style()->visibility() != VISIBLE)
+    if (style()->visibility() != EVisibility::Visible)
         return false;
 
     // We will not render a new image when Active DOM is suspended