Stop supporting legacy keywords in Referrer-Policy header

third_party/WebKit/Source/core/html/HTMLImageElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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 248 matching lines @@
             if (text && text->textContent() != value)
                 text->setTextContent(altText());
         }
     } else if (name == srcAttr || name == srcsetAttr || name == sizesAttr) {
         selectSourceURL(ImageLoader::UpdateIgnorePreviousError);
     } else if (name == usemapAttr) {
         setIsLink(!value.isNull());
     } else if (name == referrerpolicyAttr) {
         m_referrerPolicy = ReferrerPolicyDefault;
         if (!value.isNull())
-            SecurityPolicy::referrerPolicyFromString(value, &m_referrerPolicy);
+            SecurityPolicy::referrerPolicyFromStringWithLegacyKeywords(value, &m_referrerPolicy);
     } else {
         HTMLElement::parseAttribute(name, oldValue, value);
     }
 }
 
 String HTMLImageElement::altText() const
 {
     // lets figure out the alt text.. magic stuff
     // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
     // also heavily discussed by Hixie on bugzilla
@@ skipping 547 matching lines @@
 {
     ImageResource* image = cachedImage();
     if (!image)
         return IntSize();
     LayoutSize lSize = image->imageSize(LayoutObject::shouldRespectImageOrientation(layoutObject()), 1.0f);
     DCHECK(lSize.fraction().isZero());
     return IntSize(lSize.width().toInt(), lSize.height().toInt());
 }
 
 } // namespace blink