Remove references into sky/engine/core/fetch

sky/engine/core/fetch/ResourceFetcher.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     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
@@ skipping 151 matching lines @@
     // FIXME(sky): This used to prefer DocumentLoader::frame
     // over importsController->master()->frame(), but in our
     // world we should always just have one frame.
     if (!m_document)
         return 0;
     return m_document->frame();
 }
 
 FetchContext& ResourceFetcher::context() const
 {
-    if (LocalFrame* frame = this->frame())
-        return frame->fetchContext();
     return FetchContext::nullInstance();
 }
 
 ResourcePtr<ImageResource> ResourceFetcher::fetchImage(FetchRequest& request)
 {
     request.setDefer(clientDefersImage(request.resourceRequest().url()) ? FetchRequest::DeferredByClient : FetchRequest::NoDefer);
     ResourcePtr<Resource> resource = requestResource(Resource::Image, request);
     return resource && resource->type() == Resource::Image ? toImageResource(resource) : 0;
 }
 
@@ skipping 575 matching lines @@
     case Revalidate:
         ++m_revalidateCount;
         return;
     case Use:
         ++m_useCount;
         return;
     }
 }
 
 }