[WIP] off-main-thread loading

third_party/WebKit/Source/core/loader/resource/XSLStyleSheetResource.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 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.
@@ skipping 32 matching lines @@
 
   void didAddClient(ResourceClient*) override;
 
  private:
   class XSLStyleSheetResourceFactory : public ResourceFactory {
    public:
     XSLStyleSheetResourceFactory() : ResourceFactory(Resource::XSLStyleSheet) {}
 
     Resource* create(const ResourceRequest& request,
                      const ResourceLoaderOptions& options,
-                     const String& charset) const override {
+                     const String& charset,
+                     FetchContext*) const override {
       return new XSLStyleSheetResource(request, options, charset);
     }
   };
   XSLStyleSheetResource(const ResourceRequest&,
                         const ResourceLoaderOptions&,
                         const String& charset);
 
   void checkNotify() override;
 
   String m_sheet;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(XSLStyleSheet);
 
 }  // namespace blink
 
 #endif