Referrer Policy: Introduce "Origin When Cross-Origin". [1/3]

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 3144 matching lines @@
 void Document::processReferrerPolicy(const String& policy)
 {
     ASSERT(!policy.isNull());
 
     if (equalIgnoringCase(policy, "no-referrer") || equalIgnoringCase(policy, "never")) {
         setReferrerPolicy(ReferrerPolicyNever);
     } else if (equalIgnoringCase(policy, "unsafe-url") || equalIgnoringCase(policy, "always")) {
         setReferrerPolicy(ReferrerPolicyAlways);
     } else if (equalIgnoringCase(policy, "origin")) {
         setReferrerPolicy(ReferrerPolicyOrigin);
+    } else if (equalIgnoringCase(policy, "origin-when-crossorigin")) {
+        setReferrerPolicy(ReferrerPolicyOriginWhenCrossOrigin);
     } else if (equalIgnoringCase(policy, "no-referrer-when-downgrade") || equalIgnoringCase(policy, "default")) {
         setReferrerPolicy(ReferrerPolicyNoReferrerWhenDowngrade);
     } else {
         addConsoleMessage(ConsoleMessage::create(RenderingMessageSource, ErrorMessageLevel, "Failed to set referrer policy: The value '" + policy + "' is not one of 'no-referrer', 'origin', 'no-referrer-when-downgrade', or 'unsafe-url'. Defaulting to 'no-referrer'."));
         setReferrerPolicy(ReferrerPolicyNever);
     }
 }
 
 void Document::setReferrerPolicy(ReferrerPolicy referrerPolicy)
 {
@@ skipping 2651 matching lines @@
 #ifndef NDEBUG
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (Document* document : set)
         fprintf(stderr, "- Document %p URL: %s\n", document, document->url().string().utf8().data());
 }
 #endif