Delete HTMLStackItem

sky/engine/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 18 matching lines @@
 
 #include "core/HTMLElementFactory.h"
 #include "core/dom/DocumentFragment.h"
 #include "core/dom/Element.h"
 #include "core/dom/Text.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLScriptElement.h"
 #include "core/html/HTMLTemplateElement.h"
 #include "core/html/parser/AtomicHTMLToken.h"
 #include "core/html/parser/HTMLParserIdioms.h"
-#include "core/html/parser/HTMLStackItem.h"
 #include "core/html/parser/HTMLToken.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "platform/NotImplemented.h"
 #include "platform/text/TextBreakIterator.h"
 #include <limits>
 
 namespace blink {
 
 static const unsigned maximumHTMLParserDOMTreeDepth = 512;
 
@@ skipping 217 matching lines @@
     ASSERT(m_taskQueue.isEmpty());
     // Currently we assume that text will never be the last token in the
     // document and that we'll always queue some additional task to cause it to flush.
     ASSERT(m_pendingText.isEmpty());
 }
 
 void HTMLConstructionSite::trace(Visitor* visitor)
 {
     visitor->trace(m_document);
     visitor->trace(m_attachmentRoot);
-    visitor->trace(m_head);
-    visitor->trace(m_openElements);
     visitor->trace(m_taskQueue);
     visitor->trace(m_pendingText);
 }
 
 void HTMLConstructionSite::detach()
 {
     // FIXME: We'd like to ASSERT here that we're canceling and not just discarding
     // text that really should have made it into the DOM earlier, but there
     // doesn't seem to be a nice way to do that.
     m_pendingText.discard();
@@ skipping 12 matching lines @@
     // We shouldn't have any queued tasks but we might have pending text which we need to promote to tasks and execute.
     ASSERT(m_taskQueue.isEmpty());
     flush();
     m_document->finishedParsing();
 }
 
 void HTMLConstructionSite::insertHTMLElement(AtomicHTMLToken* token)
 {
     RefPtrWillBeRawPtr<HTMLElement> element = createHTMLElement(token);
     attachLater(currentNode(), element);
-    m_openElements.push(HTMLStackItem::create(element.release(), token));
+    m_openElements.push(element.release());
 }
 
 void HTMLConstructionSite::insertSelfClosingHTMLElement(AtomicHTMLToken* token)
 {
     ASSERT(token->type() == HTMLToken::StartTag);
     // Normally HTMLElementStack is responsible for calling finishParsingChildren,
     // but self-closing elements are never in the element stack so the stack
     // doesn't get a chance to tell them that we're done parsing their children.
     attachLater(currentNode(), createHTMLElement(token), true);
     // FIXME: Do we want to acknowledge the token's self-closing flag?
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html#acknowledge-self-closing-flag
 }
 
 void HTMLConstructionSite::insertScriptElement(AtomicHTMLToken* token)
 {
     RefPtrWillBeRawPtr<HTMLScriptElement> element = HTMLScriptElement::create(ownerDocumentForCurrentNode());
     setAttributes(element.get(), token, m_parserContentPolicy);
     if (scriptingContentIsAllowed(m_parserContentPolicy))
         attachLater(currentNode(), element);
-    m_openElements.push(HTMLStackItem::create(element.release(), token));
+    m_openElements.push(element.release());
 }
 
 void HTMLConstructionSite::insertTextNode(const String& string, WhitespaceMode whitespaceMode)
 {
     HTMLConstructionSiteTask dummyTask(HTMLConstructionSiteTask::Insert);
     dummyTask.parent = currentNode();
 
     // FIXME: This probably doesn't need to be done both here and in insert(Task).
     if (isHTMLTemplateElement(*dummyTask.parent))
         dummyTask.parent = toHTMLTemplateElement(dummyTask.parent.get())->content();
@@ skipping 29 matching lines @@
     return element.release();
 }
 
 void HTMLConstructionSite::PendingText::trace(Visitor* visitor)
 {
     visitor->trace(parent);
     visitor->trace(nextChild);
 }
 
 }