Unify Resource loading status tracking

third_party/WebKit/Source/core/loader/ImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 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 308 matching lines @@
         // request) for ImageDocument loads. In this case, the image contents have already
         // been requested as a main resource and ImageDocumentParser will take care of
         // funneling the main resource bytes into the ImageResource.
         if (m_loadingImageDocument) {
             request.setDefer(FetchRequest::DeferredByClient);
             request.setContentSecurityCheck(DoNotCheckContentSecurityPolicy);
         }
 
         newImage = ImageResource::fetch(request, document.fetcher());
         if (m_loadingImageDocument && newImage)
-            newImage->setLoading(true);
+            newImage->setStatus(Resource::Pending);
 
         if (!newImage && !pageIsBeingDismissed(&document)) {
             crossSiteOrCSPViolationOccurred(imageSourceURL);
             dispatchErrorEvent();
         } else {
             clearFailedLoadURL();
         }
     } else {
         if (!imageSourceURL.isNull()) {
             // Fire an error event if the url string is not empty, but the KURL is.
@@ skipping 286 matching lines @@
 
 void ImageLoader::elementDidMoveToNewDocument()
 {
     if (m_loadDelayCounter)
         m_loadDelayCounter->documentChanged(m_element->document());
     clearFailedLoadURL();
     setImage(0);
 }
 
 } // namespace blink