Implement referred Token Bindings

net/url_request/redirect_info.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_URL_REQUEST_REDIRECT_INFO_H_
 #define NET_URL_REQUEST_REDIRECT_INFO_H_
 
 #include <string>
 
 #include "net/base/net_export.h"
@@ skipping 19 matching lines @@
   std::string new_method;
 
   // The new request URL.
   GURL new_url;
 
   // The new first-party URL for cookies.
   GURL new_first_party_for_cookies;
 
   // The new HTTP referrer header.
   std::string new_referrer;
+
+  // The hostname of the referrer if it asked the client to include a referred
+  // Token Binding when following the redirect; otherwise this is the empty
+  // string.
+  std::string referred_token_binding_host;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_REDIRECT_INFO_H_