Implement referred Token Bindings

net/url_request/url_request.h

 // Copyright (c) 2012 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_URL_REQUEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 308 matching lines @@
   // may only be changed before Start() is called.
   const std::string& referrer() const { return referrer_; }
   // Referrer is sanitized to remove URL fragment, user name and password.
   void SetReferrer(const std::string& referrer);
 
   // The referrer policy to apply when updating the referrer during redirects.
   // The referrer policy may only be changed before Start() is called.
   ReferrerPolicy referrer_policy() const { return referrer_policy_; }
   void set_referrer_policy(ReferrerPolicy referrer_policy);
 
+  // If this request should include a referred Token Binding, this returns the
+  // hostname of the referrer that indicated this request should include a
+  // referred Token Binding. Otherwise, this returns the empty string.
+  const std::string& token_binding_referrer() const {

[davidben, 2016/03/15 22:49:56]

Is this actually needed? URLRequestJob is a friend of URLRequest and seems to
access its internals fairly frequently.

[nharper, 2016/03/16 17:49:22]

URLRequestHttpJob is accessing it and isn't a friend of URLRequest.

[davidben, 2016/03/24 20:53:51]

Oh, C++ works that way? Ugh. Okay then. :-)

+    return token_binding_referrer_;
+  }
+
   // Sets the delegate of the request.  This is only to allow creating a request
   // before creating its delegate.  |delegate| must be non-NULL and the request
   // must not yet have a Delegate set.
   void set_delegate(Delegate* delegate);
 
   // Indicates that the request body should be sent using chunked transfer
   // encoding. This method may only be called before Start() is called.
   void EnableChunkedUpload();
 
   // Appends the given bytes to the request's upload data to be sent
@@ skipping 448 matching lines @@
   // URLRequest.
   ChunkedUploadDataStream* upload_chunked_data_stream_;
 
   std::vector<GURL> url_chain_;
   GURL first_party_for_cookies_;
   url::Origin initiator_;
   GURL delegate_redirect_url_;
   std::string method_;  // "GET", "POST", etc. Should be all uppercase.
   std::string referrer_;
   ReferrerPolicy referrer_policy_;
+  std::string token_binding_referrer_;
   FirstPartyURLPolicy first_party_url_policy_;
   HttpRequestHeaders extra_request_headers_;
   int load_flags_;  // Flags indicating the request type for the load;
                     // expected values are LOAD_* enums above.
 
   // Never access methods of the |delegate_| directly. Always use the
   // Notify... methods for this.
   Delegate* delegate_;
 
   // Current error status of the job. When no error has been encountered, this
@@ skipping 78 matching lines @@
   HostPortPair proxy_server_;
 
   scoped_ptr<const base::debug::StackTrace> stack_trace_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequest);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_