Anchor element's referrer attribute implementation for Referrer Policy

Source/core/loader/FrameLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Google 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:
  *
@@ skipping 165 matching lines @@
 
     void restoreScrollPositionAndViewState();
 
     DECLARE_TRACE();
 
 private:
     void checkTimerFired(Timer<FrameLoader>*);
     void didAccessInitialDocumentTimerFired(Timer<FrameLoader>*);
 
     bool prepareRequestForThisFrame(FrameLoadRequest&);
-    static void setReferrerForFrameRequest(ResourceRequest&, ShouldSendReferrer, Document*);
+    static void setReferrerForFrameRequest(ResourceRequest&, ReferrerPolicy, Document*);
     FrameLoadType determineFrameLoadType(const FrameLoadRequest&);
 
     SubstituteData defaultSubstituteDataForURL(const KURL&);
 
     bool shouldPerformFragmentNavigation(bool isFormSubmission, const String& httpMethod, FrameLoadType, const KURL&);
     void scrollToFragmentWithParentBoundary(const KURL&);
 
     void startLoad(FrameLoadRequest&, FrameLoadType, NavigationPolicy);
 
     bool validateTransitionNavigationMode();
@@ skipping 59 matching lines @@
 
     bool m_didAccessInitialDocument;
     Timer<FrameLoader> m_didAccessInitialDocumentTimer;
 
     SandboxFlags m_forcedSandboxFlags;
 };
 
 } // namespace blink
 
 #endif // FrameLoader_h