Change StyleResolverState.styleImage() to take a const CSSValue&

third_party/WebKit/Source/core/css/CSSImageValue.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 48 matching lines @@
         if (options.corsEnabled == IsCORSEnabled)
             request.setCrossOriginAccessControl(document->securityOrigin(), options.allowCredentials, options.credentialsRequested);
 
         if (ResourcePtr<ImageResource> cachedImage = ImageResource::fetch(request, document->fetcher()))
             m_cachedImage = StyleFetchedImage::create(cachedImage.get(), document);
     }
 
     return m_cachedImage.get();
 }
 
-void CSSImageValue::restoreCachedResourceIfNeeded(Document& document)
+void CSSImageValue::restoreCachedResourceIfNeeded(Document& document) const
 {
     if (m_isCachePending || !m_cachedImage || !document.fetcher())
         return;
     if (document.fetcher()->cachedResource(KURL(ParsedURLString, m_absoluteURL)))
         return;
 
     ImageResource* resource = m_cachedImage->cachedImage();
     if (!resource)
         return;
 
@@ skipping 38 matching lines @@
     KURL url = document.completeURL(m_relativeURL);
     AtomicString urlString(url.string());
     if (urlString == m_absoluteURL)
         return;
     m_absoluteURL = urlString;
     m_isCachePending = true;
     m_cachedImage.clear();
 }
 
 } // namespace blink