Implement Custom Elements' entered and left document callbacks.

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 1250 matching lines @@
     if (!insertionPoint->isInTreeScope())
         return InsertionDone;
 
     if (hasRareData())
         elementRareData()->clearClassListValueForQuirksMode();
 
     TreeScope* scope = insertionPoint->treeScope();
     if (scope != treeScope())
         return InsertionDone;
 
+    if (isUpgradedCustomElement()) {
+        RefPtr<CustomElementDefinition> definition = document()->registry()->findFor(this);
+        CustomElementCallbackDispatcher::instance().enqueueEnteredDocumentCallback(definition->callbacks(), this);
+    }
+
     const AtomicString& idValue = getIdAttribute();
     if (!idValue.isNull())
         updateId(scope, nullAtom, idValue);
 
     const AtomicString& nameValue = getNameAttribute();
     if (!nameValue.isNull())
         updateName(nullAtom, nameValue);
 
     if (hasTagName(labelTag)) {
         if (scope->shouldCacheLabelsByForAttribute())
@@ skipping 35 matching lines @@
             updateName(nameValue, nullAtom);
 
         if (hasTagName(labelTag)) {
             TreeScope* treeScope = insertionPoint->treeScope();
             if (treeScope->shouldCacheLabelsByForAttribute())
                 updateLabel(treeScope, fastGetAttribute(forAttr), nullAtom);
         }
     }
 
     ContainerNode::removedFrom(insertionPoint);
-    if (wasInDocument && hasPendingResources())
-        document()->accessSVGExtensions()->removeElementFromPendingResources(this);
+    if (wasInDocument) {
+        if (hasPendingResources())
+            document()->accessSVGExtensions()->removeElementFromPendingResources(this);
+
+        if (isUpgradedCustomElement()) {
+            if (CustomElementRegistry* registry = document()->registry()) {
+                RefPtr<CustomElementDefinition> definition = registry->findFor(this);
+                CustomElementCallbackDispatcher::instance().enqueueLeftDocumentCallback(definition->callbacks(), this);
+            }
+        }
+    }
 }
 
 void Element::createRendererIfNeeded(const AttachContext& context)
 {
     NodeRenderingContext(this, context).createRendererForElementIfNeeded();
 }
 
 void Element::attach(const AttachContext& context)
 {
     PostAttachCallbackDisabler callbackDisabler(this);
@@ skipping 2295 matching lines @@
     return 0;
 }
 
 Attribute* UniqueElementData::attributeItem(unsigned index)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(index < length());
     return &m_attributeVector.at(index);
 }
 
 } // namespace WebCore