Separate Custom Element resolution and upgrade/createdCallback.

Source/core/dom/custom/CustomElementMicrotaskQueue.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 28 matching lines @@
 {
     m_queue.append(step);
 }
 
 CustomElementMicrotaskStep::Result CustomElementMicrotaskQueue::dispatch()
 {
     Result result = Result(0);
 
     unsigned i;
     for (i = 0; i < m_queue.size(); ++i) {
-        // The created callback may schedule entered document
-        // callbacks.
-        CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
         result = Result(result | m_queue[i]->process());
 
         if (result & CustomElementMicrotaskStep::ShouldStop)
             break;
     }
 
     bool wasStopped = i < m_queue.size();
     if (wasStopped)
         m_queue.remove(0, i);
     else
         m_queue.resize(0);
 
     return result;
 }
 
 } // namespace WebCore