Finding an <object> element by name only works it has no children other than <param> elements

Source/core/html/HTMLObjectElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 32 matching lines @@
 #include "core/plugins/PluginView.h"
 #include "core/rendering/RenderEmbeddedObject.h"
 #include "platform/Widget.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 inline HTMLObjectElement::HTMLObjectElement(const QualifiedName& tagName, Document& document, HTMLFormElement* form, bool createdByParser)
     : HTMLPlugInElement(tagName, document, createdByParser, ShouldNotPreferPlugInsForImages)
-    , m_docNamedItem(true)
     , m_useFallbackContent(false)
 {
     ASSERT(hasTagName(objectTag));
     setForm(form ? form : findFormAncestor());
     ScriptWrappable::init(this);
 }
 
 inline HTMLObjectElement::~HTMLObjectElement()
 {
     setForm(0);
@@ skipping 264 matching lines @@
 }
 
 void HTMLObjectElement::removedFrom(ContainerNode* insertionPoint)
 {
     HTMLPlugInElement::removedFrom(insertionPoint);
     FormAssociatedElement::removedFrom(insertionPoint);
 }
 
 void HTMLObjectElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
 {
-    updateDocNamedItem();
     if (inDocument() && !useFallbackContent()) {
         setNeedsWidgetUpdate(true);
         setNeedsStyleRecalc();
     }
     HTMLPlugInElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 }
 
 bool HTMLObjectElement::isURLAttribute(const Attribute& attribute) const
 {
     return attribute.name() == dataAttr || (attribute.name() == usemapAttr && attribute.value().string()[0] != '#') || HTMLPlugInElement::isURLAttribute(attribute);
@@ skipping 58 matching lines @@
                 // treat them as "recognized tags" for the purpose of parsing
                 // because that changes how we parse documents.
                 continue;
             }
             tagList.add(tags[i]->localName().impl());
         }
     }
     return tagList.contains(tagName.localName().impl());
 }
 
-void HTMLObjectElement::updateDocNamedItem()
-{
-    // The rule is "<object> elements with no children other than
-    // <param> elements, unknown elements and whitespace can be
-    // found by name in a document, and other <object> elements cannot."
-    bool wasNamedItem = m_docNamedItem;
-    bool isNamedItem = true;
-    Node* child = firstChild();
-    while (child && isNamedItem) {
-        if (child->isElementNode()) {
-            Element* element = toElement(child);
-            // FIXME: Use of isRecognizedTagName is almost certainly wrong here.
-            if (isRecognizedTagName(element->tagQName()) && !element->hasTagName(paramTag))
-                isNamedItem = false;
-        } else if (child->isTextNode()) {
-            if (!toText(child)->containsOnlyWhitespace())
-                isNamedItem = false;
-        } else
-            isNamedItem = false;
-        child = child->nextSibling();
-    }
-    if (isNamedItem != wasNamedItem && document().isHTMLDocument()) {
-        HTMLDocument& document = toHTMLDocument(this->document());
-        if (isNamedItem) {
-            document.addNamedItem(getNameAttribute());
-            document.addExtraNamedItem(getIdAttribute());
-        } else {
-            document.removeNamedItem(getNameAttribute());
-            document.removeExtraNamedItem(getIdAttribute());
-        }
-    }
-    m_docNamedItem = isNamedItem;
-}
-
 bool HTMLObjectElement::containsJavaApplet() const
 {
     if (MIMETypeRegistry::isJavaAppletMIMEType(getAttribute(typeAttr)))
         return true;
 
     for (Element* child = ElementTraversal::firstWithin(this); child; child = ElementTraversal::nextSkippingChildren(child, this)) {
         if (child->hasTagName(paramTag)
                 && equalIgnoringCase(child->getNameAttribute(), "type")
                 && MIMETypeRegistry::isJavaAppletMIMEType(child->getAttribute(valueAttr).string()))
             return true;
@@ skipping 44 matching lines @@
 {
     return FormAssociatedElement::form();
 }
 
 bool HTMLObjectElement::isInteractiveContent() const
 {
     return fastHasAttribute(usemapAttr);
 }
 
 }