Pow __proto__, sock :unresolved, and clunk the created callback at once.

Source/core/dom/Node.cpp

Index: Source/core/dom/Node.cpp
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index b474438ea35e3442deb286771d9b97f3fb0c6fe7..664d2cff81225f753c16a1805a3486ddb07f087c 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -2729,6 +2729,13 @@ void Node::setIsCustomElement()
     setFlag(IsCustomElement);
 }
 
+void Node::setIsUpgradedCustomElement()
+{
+    ASSERT(isCustomElement());
+    setFlag(IsUpgradedCustomElement);
+    setNeedsStyleRecalc(); // :unresolved has changed
+}
+
 } // namespace WebCore
 
 #ifndef NDEBUG