Let unresolved custom element go through CustomElementCallbackQueue.

Source/core/dom/custom/CustomElementRegistrationContext.h

Index: Source/core/dom/custom/CustomElementRegistrationContext.h
diff --git a/Source/core/dom/custom/CustomElementRegistrationContext.h b/Source/core/dom/custom/CustomElementRegistrationContext.h
index 97dbc5fbfa75758737e331ebd010cc5fe256511d..841b33795939147e2164e07e18450073f8e45576 100644
--- a/Source/core/dom/custom/CustomElementRegistrationContext.h
+++ b/Source/core/dom/custom/CustomElementRegistrationContext.h
@@ -60,6 +60,9 @@ public:
     static void setIsAttributeAndTypeExtension(Element*, const AtomicString& type);
     static void setTypeExtension(Element*, const AtomicString& type);
 
+    // Late resolution attempt from invocation object.

[dominicc (has gone to gerrit), 2013/12/14 02:42:39]

This will only have one caller so maybe this doesn't need a comment?

[Hajime Morrita, 2013/12/16 09:00:34]

Oh right. Will remove.

+    void resolve(Element*, const CustomElementDescriptor&);
+
 protected:
     CustomElementRegistrationContext() { }
 
@@ -67,9 +70,7 @@ protected:
     void didGiveTypeExtension(Element*, const AtomicString& type);
 
 private:
-    void resolve(Element*, const AtomicString& typeExtension);
-    void didResolveElement(CustomElementDefinition*, Element*);
-    void didCreateUnresolvedElement(const CustomElementDescriptor&, Element*);
+    void scheduleResolution(Element*, const AtomicString& typeExtension);
 
     CustomElementRegistry m_registry;