Implement Custom Elements inserted and removed 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 921 matching lines @@
 
     if (shouldInvalidateStyle)
         setNeedsStyleRecalc();
 
     if (AXObjectCache* cache = document()->existingAXObjectCache())
         cache->handleAttributeChanged(name, this);
 }
 
 inline void Element::attributeChangedFromParserOrByCloning(const QualifiedName& name, const AtomicString& newValue, AttributeModificationReason reason)
 {
-    if (RuntimeEnabledFeatures::customDOMElementsEnabled() && name == isAttr) {
-        document()->ensureCustomElementRegistry()->didGiveTypeExtension(this, newValue);
-    }
+    if (RuntimeEnabledFeatures::customDOMElementsEnabled() && name == isAttr)
+        document()->ensureCustomElementRegistry()->didGiveTypeExtension(this, newValue, true);
     attributeChanged(name, newValue, reason);
 }
 
 template <typename CharacterType>
 static inline bool classStringHasClassName(const CharacterType* characters, unsigned length)
 {
     ASSERT(length > 0);
 
     unsigned i = 0;
     do {
@@ skipping 293 matching lines @@
 
     if (Element* after = pseudoElement(AFTER))
         after->insertedInto(insertionPoint);
 
     if (!insertionPoint->isInTreeScope())
         return InsertionDone;
 
     if (hasRareData())
         elementRareData()->clearClassListValueForQuirksMode();
 
+    if (isCustomElement()) {
+        if (CustomElementRegistry* registry = document()->registry())
+            registry->customElementWasInsertedIntoDocument(this);
+    }
+
     TreeScope* scope = insertionPoint->treeScope();
     if (scope != treeScope())
         return InsertionDone;
 
     const AtomicString& idValue = getIdAttribute();
     if (!idValue.isNull())
         updateId(scope, nullAtom, idValue);
 
     const AtomicString& nameValue = getNameAttribute();
     if (!nameValue.isNull())
@@ skipping 36 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 (isCustomElement()) {
+            if (CustomElementRegistry* registry = document()->registry())
+                registry->customElementWasRemovedFromDocument(this);
+        }
+    }
 }
 
 void Element::createRendererIfNeeded(const AttachContext& context)
 {
     NodeRenderingContext(this, context).createRendererForElementIfNeeded();
 }
 
 void Element::attach(const AttachContext& context)
 {
     PostAttachCallbackDisabler callbackDisabler(this);
@@ skipping 2233 matching lines @@
     return 0;
 }
 
 Attribute* UniqueElementData::attributeItem(unsigned index)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(index < length());
     return &m_attributeVector.at(index);
 }
 
 } // namespace WebCore