Kerberos SPN generation for Negotiate challenges

net/http/http_auth_handler_factory.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_HANDLER_FACTORY_H_
 #define NET_HTTP_HTTP_AUTH_HANDLER_FACTORY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 87 matching lines @@
   // authentication scheme such as Basic, Digest, or Negotiate.
   // The |*factory| object is assumed to be new-allocated, and its lifetime
   // will be managed by this HttpAuthHandlerRegistryFactory object (including
   // deleting it when it is no longer used.
   // A NULL |factory| value means that HttpAuthHandlers's will not be created
   // for |scheme|. If a factory object used to exist for |scheme|, it will be
   // deleted.
   void RegisterSchemeFactory(const std::string& scheme,
                              HttpAuthHandlerFactory* factory);
 
+  // Retrieve the factory for the specified |scheme|. If no factory exists
+  // for the |scheme|, NULL is returned. The returned factory must not be
+  // deleted by the caller, and it is guaranteed to be valid until either
+  // a new factory is registered for the same scheme, or until this
+  // registry factory is destroyed.
+  HttpAuthHandlerFactory* GetSchemeFactory(const std::string& scheme) const;
+
   // Creates an auth handler by dispatching out to the registered factories
   // based on the first token in |challenge|.
   virtual int CreateAuthHandler(HttpAuth::ChallengeTokenizer* challenge,
                                 HttpAuth::Target target,
                                 const GURL& origin,
                                 scoped_refptr<HttpAuthHandler>* handler);
 
  private:
-  // Retrieve the factory for the specified |scheme|
-  HttpAuthHandlerFactory* GetSchemeFactory(const std::string& scheme) const;
-
   typedef std::map<std::string, HttpAuthHandlerFactory*> FactoryMap;
 
   FactoryMap factory_map_;
   DISALLOW_COPY_AND_ASSIGN(HttpAuthHandlerRegistryFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_HANDLER_FACTORY_H_