Defer iframe JavaScript URL evaluation

Source/core/fetch/ResourceFetcher.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     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 1081 matching lines @@
     willSendRequest(identifier, request, ResourceResponse(), resource->options().initiatorInfo);
     InspectorInstrumentation::markResourceAsCached(frame()->page(), identifier);
     context().sendRemainingDelegateMessages(m_documentLoader, identifier, resource->response(), resource->encodedSize());
 }
 
 void ResourceFetcher::incrementRequestCount(const Resource* res)
 {
     if (res->ignoreForRequestCount())
         return;
 
-    ++m_requestCount;
+    incrementRequestCount();
 }
 
 void ResourceFetcher::decrementRequestCount(const Resource* res)
 {
     if (res->ignoreForRequestCount())
         return;
 
+    decrementRequestCount();
+}
+
+void ResourceFetcher::incrementRequestCount()
+{
+    ++m_requestCount;
+}
+
+void ResourceFetcher::decrementRequestCount()
+{
     --m_requestCount;
     ASSERT(m_requestCount > -1);
 }
 
 void ResourceFetcher::preload(Resource::Type type, FetchRequest& request, const String& charset)
 {
     requestPreload(type, request, charset);
 }
 
 void ResourceFetcher::requestPreload(Resource::Type type, FetchRequest& request, const String& charset)
@@ skipping 275 matching lines @@
     case Revalidate:
         ++m_revalidateCount;
         return;
     case Use:
         ++m_useCount;
         return;
     }
 }
 
 }