Create HttpAuthController.

net/http/http_auth.h

 // Copyright (c) 2010 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_HTTP_HTTP_AUTH_H_
 #define NET_HTTP_HTTP_AUTH_H_
 
 #include "base/scoped_ptr.h"
 #include "net/http/http_util.h"
 
@@ skipping 60 matching lines @@
   };
 
   // Get the name of the header containing the auth challenge
   // (either WWW-Authenticate or Proxy-Authenticate).
   static std::string GetChallengeHeaderName(Target target);
 
   // Get the name of the header where the credentials go
   // (either Authorization or Proxy-Authorization).
   static std::string GetAuthorizationHeaderName(Target target);
 
+  // Returns a string representation of a Target value that can be used in log
+  // messages.
+  static std::string GetAuthTargetString(Target target);
+
   // Iterate through the challenge headers, and pick the best one that
   // we support. Obtains the implementation class for handling the challenge,
   // and passes it back in |*handler|. If the existing handler in |*handler|
   // should continue to be used (such as for the NTLM authentication scheme),
   // |*handler| is unchanged. If no supported challenge was found, |*handler|
   // is set to NULL.
   //
   // |origin| is used by the NTLM authentication scheme to construct the
   // service principal name.  It is ignored by other schemes.
   //
@@ skipping 96 matching lines @@
     std::string::const_iterator value_end_;
 
     bool value_is_quoted_;
     bool expect_base64_token_;
   };
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_H_