Revert of Set proper referrer for css resource fetching

Source/core/css/CSSFontFaceSrcValue.h

 /*
  * Copyright (C) 2007, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 35 matching lines @@
     static PassRefPtrWillBeRawPtr<CSSFontFaceSrcValue> createLocal(const String& resource)
     {
         return adoptRefWillBeRefCountedGarbageCollected(new CSSFontFaceSrcValue(resource, true));
     }
 
     const String& resource() const { return m_resource; }
     const String& format() const { return m_format; }
     bool isLocal() const { return m_isLocal; }
 
     void setFormat(const String& format) { m_format = format; }
-    void setReferrer(const String& referrer) { m_referrer = referrer; }
 
     bool isSupportedFormat() const;
 
 #if ENABLE(SVG_FONTS)
     bool isSVGFontFaceSrc() const;
 
     SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }
     void setSVGFontFaceElement(SVGFontFaceElement* element) { m_svgFontFaceElement = element; }
 #endif
 
@@ skipping 15 matching lines @@
 #if ENABLE(SVG_FONTS)
         , m_svgFontFaceElement(0)
 #endif
     {
     }
 
     bool shouldSetCrossOriginAccessControl(const KURL& resource, SecurityOrigin*);
 
     String m_resource;
     String m_format;
-    String m_referrer;
     bool m_isLocal;
 
     ResourcePtr<FontResource> m_fetched;
 
 #if ENABLE(SVG_FONTS)
     SVGFontFaceElement* m_svgFontFaceElement;
 #endif
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSFontFaceSrcValue, isFontFaceSrcValue());
 
 }
 
 #endif