Turn off isLinkPreload() when used

third_party/WebKit/Source/core/fetch/Resource.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
@@ skipping 196 matching lines @@
 
     AtomicString httpContentType() const;
 
     bool wasCanceled() const { return m_error.isCancellation(); }
     bool errorOccurred() const { return m_status == LoadError || m_status == DecodeError; }
     bool loadFailedOrCanceled() { return !m_error.isNull(); }
 
     DataBufferingPolicy getDataBufferingPolicy() const { return m_options.dataBufferingPolicy; }
     void setDataBufferingPolicy(DataBufferingPolicy);
 
+    // The isPreloaded() flag is using a counter in order to make sure that even when
+    // multiple ResourceFetchers are preloading the resource, it will remain marked as
+    // preloaded until *all* of them have used it.
     bool isUnusedPreload() const { return isPreloaded() && getPreloadResult() == PreloadNotReferenced; }
     bool isPreloaded() const { return m_preloadCount; }
     void increasePreloadCount() { ++m_preloadCount; }
     void decreasePreloadCount()
     {
         DCHECK(m_preloadCount);
         --m_preloadCount;
     }
 
     bool canReuseRedirectChain();
@@ skipping 169 matching lines @@
 
     Resource::Type m_type;
 };
 
 #define DEFINE_RESOURCE_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName##Resource, Resource, resource, resource->getType() == Resource::typeName, resource.getType() == Resource::typeName);
 
 } // namespace blink
 
 #endif