Upgrade custom elements when inserting a node

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1406 matching lines @@
         return InsertionDone;
 
     if (hasRareData()) {
         ElementRareData* rareData = elementRareData();
         rareData->clearClassListValueForQuirksMode();
         if (rareData->intersectionObserverData())
             rareData->intersectionObserverData()->activateValidIntersectionObservers(*this);
     }
 
     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();
     if (scope != treeScope())
         return InsertionDone;
 
     const AtomicString& idValue = getIdAttribute();
     if (!idValue.isNull())
         updateId(scope, nullAtom, idValue);
 
@@ skipping 2278 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink