RenderLayer::hasVisibleContent should ASSERT(!m_visibleContentStatusDirty)

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index 5070f5ae8f1587c0d99a59d398ff6fe9995a3652..ba13e6cd5d526f76c1c0e54f20961e23174a761e 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -2100,13 +2100,8 @@ void RenderObject::styleWillChange(StyleDifference diff, const RenderStyle& newS
         // Keep layer hierarchy visibility bits up to date if visibility changes.
         if (m_style->visibility() != newStyle.visibility()) {
             // We might not have an enclosing layer yet because we might not be in the tree.
-            if (RenderLayer* layer = enclosingLayer()) {
-                if (newStyle.visibility() == VISIBLE) {
-                    layer->setHasVisibleContent();
-                } else if (layer->hasVisibleContent() && (this == layer->renderer() || layer->renderer()->style()->visibility() != VISIBLE)) {
-                    layer->dirtyVisibleContentStatus();
-                }
-            }
+            if (RenderLayer* layer = enclosingLayer())
+                layer->potentiallyDirtyVisibleContentStatus(newStyle.visibility());
         }
 
         if (isFloating() && (m_style->floating() != newStyle.floating()))