Remove beforeload events.

Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 118 matching lines @@
     else
         parseSizes(value.characters16(), value.length(), iconSizes);
 }
 
 inline HTMLLinkElement::HTMLLinkElement(Document& document, bool createdByParser)
     : HTMLElement(linkTag, document)
     , m_linkLoader(this)
     , m_sizes(DOMSettableTokenList::create())
     , m_createdByParser(createdByParser)
     , m_isInShadowTree(false)
-    , m_beforeLoadRecurseCount(0)
 {
     ScriptWrappable::init(this);
 }
 
 PassRefPtr<HTMLLinkElement> HTMLLinkElement::create(Document& document, bool createdByParser)
 {
     return adoptRef(new HTMLLinkElement(document, createdByParser));
 }
 
 HTMLLinkElement::~HTMLLinkElement()
@@ skipping 19 matching lines @@
     } else if (name == sizesAttr) {
         m_sizes->setValue(value);
         parseSizesAttribute(value, m_iconSizes);
         process();
     } else if (name == mediaAttr) {
         m_media = value.string().lower();
         process();
     } else if (name == disabledAttr) {
         if (LinkStyle* link = linkStyle())
             link->setDisabledState(!value.isNull());
-    } else if (name == onbeforeloadAttr)
-        setAttributeEventListener(EventTypeNames::beforeload, createAttributeEventListener(this, name, value));
-    else {
+    } else {
         if (name == titleAttr) {
             if (LinkStyle* link = linkStyle())
                 link->setSheetTitle(value);
         }
 
         HTMLElement::parseAttribute(name, value);
     }
 }
 
 bool HTMLLinkElement::shouldLoadLink()
 {
-    bool continueLoad = true;
-    RefPtr<Document> originalDocument(document());
-    int recursionRank = ++m_beforeLoadRecurseCount;
-    if (!dispatchBeforeLoadEvent(getNonEmptyURLAttribute(hrefAttr)))
-        continueLoad = false;
-
-    // A beforeload handler might have removed us from the document or changed the document.
-    if (continueLoad && (!inDocument() || document() != originalDocument))
-        continueLoad = false;
-
-    // If the beforeload handler recurses into the link element by mutating it, we should only
-    // let the latest (innermost) mutation occur.
-    if (recursionRank != m_beforeLoadRecurseCount)
-        continueLoad = false;
-
-    if (recursionRank == 1)
-        m_beforeLoadRecurseCount = 0;
-
-    return continueLoad;
+    return inDocument();
 }
 
 bool HTMLLinkElement::loadLink(const String& type, const KURL& url)
 {
     return m_linkLoader.loadLink(m_relAttribute, fastGetAttribute(HTMLNames::crossoriginAttr), type, url, document());
 }
 
 LinkResource* HTMLLinkElement::linkResourceToProcess()
 {
     bool visible = inDocument() && !m_isInShadowTree;
@@ skipping 496 matching lines @@
 void LinkStyle::ownerRemoved()
 {
     if (m_sheet)
         clearSheet();
 
     if (styleSheetIsLoading())
         removePendingSheet(RemovePendingSheetNotifyLater);
 }
 
 } // namespace WebCore