Make ThreadableLoader class to use references

Source/core/inspector/InspectorResourceAgent.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 734 matching lines @@
             }
             request.addHTTPHeaderField(AtomicString(it->key), AtomicString(value));
         }
     }
 
     ThreadableLoaderOptions options;
     options.allowCredentials = AllowStoredCredentials;
     options.crossOriginRequestPolicy = AllowCrossOriginRequests;
 
     InspectorThreadableLoaderClient* inspectorThreadableLoaderClient = new InspectorThreadableLoaderClient(callback);
-    RefPtr<DocumentThreadableLoader> loader = DocumentThreadableLoader::create(document, inspectorThreadableLoaderClient, request, options);
+    RefPtr<DocumentThreadableLoader> loader = DocumentThreadableLoader::create(*document, inspectorThreadableLoaderClient, request, options);
     if (!loader) {
         inspectorThreadableLoaderClient->didFailLoaderCreation();
         return;
     }
     loader->setDefersLoading(false);
     if (!callback->isActive())
         return;
     inspectorThreadableLoaderClient->setLoader(loader.release());
 }
 
@@ skipping 44 matching lines @@
     : InspectorBaseAgent<InspectorResourceAgent>("Network")
     , m_pageAgent(pageAgent)
     , m_client(client)
     , m_frontend(0)
     , m_resourcesData(adoptPtr(new NetworkResourcesData()))
     , m_isRecalculatingStyle(false)
 {
 }
 
 } // namespace WebCore