Avoid calling Node::numberOfScopedHTMLStyleChildren() to check for existence

Source/core/dom/StyleSheetScopingNodeList.cpp

Index: Source/core/dom/StyleSheetScopingNodeList.cpp
diff --git a/Source/core/dom/StyleSheetScopingNodeList.cpp b/Source/core/dom/StyleSheetScopingNodeList.cpp
index 5d809e0090411cd7c35c8bffe966d71359a636e9..88dc84a428d9d958f2c5334a188b7ff95ea7ab36 100644
--- a/Source/core/dom/StyleSheetScopingNodeList.cpp
+++ b/Source/core/dom/StyleSheetScopingNodeList.cpp
@@ -53,7 +53,7 @@ void StyleSheetScopingNodeList::remove(ContainerNode* node)
         return;
 
     // If the node is still working as a scoping node, we cannot remove.
-    if (node->inDocument() && node->numberOfScopedHTMLStyleChildren())
+    if (node->inDocument() && node->hasScopedHTMLStyleChild())
         return;
 
     m_scopingNodes->remove(node);