Prepare to add more initiator info to CachedResource(Request)

Source/core/dom/ProcessingInstruction.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006, 2008, 2009 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 13 matching lines @@
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/MediaList.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/cache/CachedCSSStyleSheet.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
+#include "core/loader/cache/CachedResourceRequestInitiators.h"
 #include "core/loader/cache/CachedXSLStyleSheet.h"
 #include "core/page/Frame.h"
 #include "core/xml/XSLStyleSheet.h"
 #include "core/xml/parser/XMLDocumentParser.h" // for parseAttributes()
 
 namespace WebCore {
 
 inline ProcessingInstruction::ProcessingInstruction(Document* document, const String& target, const String& data)
     : Node(document, CreateOther)
     , m_target(target)
@@ skipping 105 matching lines @@
                 m_cachedSheet = 0;
             }
             
             String url = document()->completeURL(href).string();
             if (!dispatchBeforeLoadEvent(url))
                 return;
             
             m_loading = true;
             document()->styleSheetCollection()->addPendingSheet();
             
-            CachedResourceRequest request(ResourceRequest(document()->completeURL(href)));
+            CachedResourceRequest request(ResourceRequest(document()->completeURL(href)), cachedResourceRequestInitiators().processinginstruction);
             if (m_isXSL)
                 m_cachedSheet = document()->cachedResourceLoader()->requestXSLStyleSheet(request);
             else
             {
                 String charset = attrs.get("charset");
                 if (charset.isEmpty())
                     charset = document()->charset();
                 request.setCharset(charset);
 
                 m_cachedSheet = document()->cachedResourceLoader()->requestCSSStyleSheet(request);
@@ skipping 134 matching lines @@
         document()->styleResolverChanged(DeferRecalcStyle);
 }
 
 void ProcessingInstruction::finishParsingChildren()
 {
     m_createdByParser = false;
     Node::finishParsingChildren();
 }
 
 } // namespace