Walk up frame tree for srcdoc referrer policies

third_party/WebKit/Source/core/dom/Document.h

 /*
  * 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, 2010, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 273 matching lines @@
   DEFINE_ATTRIBUTE_EVENT_LISTENER(selectstart);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(wheel);
 
   bool shouldMergeWithLegacyDescription(ViewportDescription::Type) const;
   bool shouldOverrideLegacyDescription(ViewportDescription::Type) const;
   void setViewportDescription(const ViewportDescription&);
   ViewportDescription viewportDescription() const;
   Length viewportDefaultMinWidth() const { return m_viewportDefaultMinWidth; }
 
   String outgoingReferrer() const override;
+  ReferrerPolicy getReferrerPolicy() const override;
 
   void setDoctype(DocumentType*);
   DocumentType* doctype() const { return m_docType.get(); }
 
   DOMImplementation& implementation();
 
   Element* documentElement() const { return m_documentElement.get(); }
 
   // Returns whether the Document has an AppCache manifest.
   bool hasAppCacheManifest() const;
@@ skipping 1381 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif  // Document_h