[Spec compat] form element pointer should be set iff no template element on the stack of open eleme…

third_party/WebKit/Source/core/html/parser/HTMLConstructionSite.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  * Copyright (C) 2011 Apple 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 658 matching lines @@
   m_openElements.pushHTMLBodyElement(HTMLStackItem::create(body, token));
   if (m_document)
     m_document->willInsertBody();
 }
 
 void HTMLConstructionSite::insertHTMLFormElement(AtomicHTMLToken* token,
                                                  bool isDemoted) {
   HTMLElement* element = createHTMLElement(token);
   ASSERT(isHTMLFormElement(element));
   HTMLFormElement* formElement = toHTMLFormElement(element);
-  if (!ownerDocumentForCurrentNode().isTemplateDocument())
+  if (!openElements()->hasTemplateInHTMLScope())
     m_form = formElement;
   formElement->setDemoted(isDemoted);
   attachLater(currentNode(), formElement);
   m_openElements.push(HTMLStackItem::create(formElement, token));
 }
 
 void HTMLConstructionSite::insertHTMLElement(AtomicHTMLToken* token) {
   HTMLElement* element = createHTMLElement(token);
   attachLater(currentNode(), element);
   m_openElements.push(HTMLStackItem::create(element, token));
@@ skipping 367 matching lines @@
   ASSERT(task.parent);
   queueTask(task);
 }
 
 DEFINE_TRACE(HTMLConstructionSite::PendingText) {
   visitor->trace(parent);
   visitor->trace(nextChild);
 }
 
 }  // namespace blink