Prepare to add more initiator info to CachedResource(Request)

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 53 matching lines @@
     return m_image.get();
 }
 
 StyleCachedImage* CSSImageValue::cachedImage(CachedResourceLoader* loader)
 {
     ASSERT(loader);
 
     if (!m_accessedImage) {
         m_accessedImage = true;
 
-        CachedResourceRequest request(ResourceRequest(loader->document()->completeURL(m_url)));
-        if (m_initiatorName.isEmpty())
-            request.setInitiator(cachedResourceRequestInitiators().css);
-        else
-            request.setInitiator(m_initiatorName);
+        CachedResourceRequest request(ResourceRequest(loader->document()->completeURL(m_url)), m_initiatorName.isEmpty() ? cachedResourceRequestInitiators().css : m_initiatorName);
         if (CachedResourceHandle<CachedImage> cachedImage = loader->requestImage(request))
             m_image = StyleCachedImage::create(cachedImage.get());
     }
 
     return (m_image && m_image->isCachedImage()) ? static_cast<StyleCachedImage*>(m_image.get()) : 0;
 }
 
 bool CSSImageValue::hasFailedOrCanceledSubresources() const
 {
     if (!m_image || !m_image->isCachedImage())
@@ skipping 28 matching lines @@
     info.addMember(m_url, "url");
     // No need to report m_image as it is counted as part of RenderArena.
 }
 
 bool CSSImageValue::knownToBeOpaque(const RenderObject* renderer) const
 {
     return m_image ? m_image->knownToBeOpaque(renderer) : false;
 }
 
 } // namespace WebCore