Separate Custom Element resolution and upgrade/createdCallback.

Source/core/dom/custom/CustomElementCallbackInvocation.cpp

Index: Source/core/dom/custom/CustomElementCallbackInvocation.cpp
diff --git a/Source/core/dom/custom/CustomElementCallbackInvocation.cpp b/Source/core/dom/custom/CustomElementCallbackInvocation.cpp
index a033323c759508d76658106768cb6cdb77f3d0d4..b7eb8e4d0d751e96b91eb0067b2efe6de5ec4e0a 100644
--- a/Source/core/dom/custom/CustomElementCallbackInvocation.cpp
+++ b/Source/core/dom/custom/CustomElementCallbackInvocation.cpp
@@ -92,9 +92,31 @@ void AttributeChangedInvocation::dispatch(Element* element)
     callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue);
 }
 
+class CreatedInvocation : public CustomElementCallbackInvocation {
+public:
+    CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)
+        : CustomElementCallbackInvocation(callbacks)
+    {
+    }
+
+private:
+    virtual void dispatch(Element*) OVERRIDE;
+    virtual bool isCreated() const OVERRIDE { return true; }
+};
+
+void CreatedInvocation::dispatch(Element* element)
+{
+    if (element->inDocument() && element->document().domWindow())
+        CustomElementScheduler::scheduleAttachedCallback(callbacks(), element);
+    callbacks()->created(element);
+}
+
 PassOwnPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
 {
     switch (which) {
+    case CustomElementLifecycleCallbacks::Created:
+        return adoptPtr(new CreatedInvocation(callbacks));
+
     case CustomElementLifecycleCallbacks::Attached:
     case CustomElementLifecycleCallbacks::Detached:
         return adoptPtr(new AttachedDetachedInvocation(callbacks, which));