Clean up child checks in ContainerNode.

sky/engine/core/dom/ContainerNode.h

Index: sky/engine/core/dom/ContainerNode.h
diff --git a/sky/engine/core/dom/ContainerNode.h b/sky/engine/core/dom/ContainerNode.h
index 5ad3ce0971f353508213782f5eacec7e92fcb477..2cd49016dfed2716d9a4893816d572d8d1226ce0 100644
--- a/sky/engine/core/dom/ContainerNode.h
+++ b/sky/engine/core/dom/ContainerNode.h
@@ -142,10 +142,9 @@ private:
     void notifyNodeInsertedInternal(Node&, NodeVector& postInsertionNotificationTargets);
     void notifyNodeRemoved(Node&);
 
-    inline bool checkAcceptChildGuaranteedNodeTypes(const Node& newChild, ExceptionState&) const;
-    inline bool checkAcceptChild(const Node* newChild, const Node* oldChild, ExceptionState&) const;
+    inline void checkAcceptChildType(const Node* newChild, ExceptionState&) const;
+    inline void checkAcceptChildHierarchy(const Node& newChild, const Node* oldChild, ExceptionState&) const;
     inline bool containsConsideringHostElements(const Node&) const;
-    inline bool isChildTypeAllowed(const Node& child) const;
 
     void attachChildren(const AttachContext& = AttachContext());
     void detachChildren(const AttachContext& = AttachContext());