Upgrade custom elements when inserting a node

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 6da31da76d47fc37693792d15e6383f21ab1fba7..6efc5c680d78abe6d42e5f669b0af66cd3a0ca26 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -1424,14 +1424,12 @@ Node::InsertionNotificationRequest Element::insertedInto(ContainerNode* insertio
     }
 
     if (inShadowIncludingDocument()) {
-        if (getCustomElementState() == CustomElementState::Custom) {
+        if (getCustomElementState() == CustomElementState::Custom)
             CustomElement::enqueueConnectedCallback(this);
-        } else if (isUpgradedV0CustomElement()) {
+        else if (isUpgradedV0CustomElement())
             V0CustomElement::didAttach(this, document());
-        } else if (getCustomElementState() == CustomElementState::Undefined) {
-            if (CustomElementsRegistry* registry = CustomElement::registry(*this))
-                registry->addCandidate(this);
-        }
+        else if (getCustomElementState() == CustomElementState::Undefined)
+            CustomElement::tryToUpgrade(this);
     }
 
     TreeScope& scope = insertionPoint->treeScope();