Defer iframe JavaScript URL evaluation

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 2860 matching lines @@
 }
 
 void Document::didLoadAllImports()
 {
     if (!haveStylesheetsLoaded())
         return;
 
     didLoadAllScriptBlockingResources();
 }
 
+void Document::didAddPendingResource()
+{
+    if (m_fetcher)
+        m_fetcher->incrementRequestCount();
+}
+
+void Document::didRemovePendingResource()
+{
+    if (m_fetcher)
+        m_fetcher->decrementRequestCount();
+    if (LocalFrame* frame = this->frame())
+        frame->loader().loadDone();
+}
+
 void Document::didRemoveAllPendingStylesheet()
 {
     m_needsNotifyRemoveAllPendingStylesheet = false;
 
     styleResolverChanged(RecalcStyleDeferred, hasNodesWithPlaceholderStyle() ? FullStyleUpdate : AnalyzedStyleUpdate);
 
     if (m_import)
         m_import->didRemoveAllPendingStylesheet();
     if (!haveImportsLoaded())
         return;
@@ skipping 2606 matching lines @@
 }
 
 void Document::invalidateNodeListCaches(const QualifiedName* attrName)
 {
     HashSet<LiveNodeListBase*>::iterator end = m_listsInvalidatedAtDocument.end();
     for (HashSet<LiveNodeListBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
         (*it)->invalidateCache(attrName);
 }
 
 } // namespace WebCore