[net/http auth] Make HttpAuthHandler challenge handling asynchronous.

net/http/http_auth_handler_factory.h

 // Copyright (c) 2011 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>
 #include <vector>
@@ skipping 64 matching lines @@
       const std::string& scheme) = 0;
 
   // Creates an HTTP authentication handler based on the authentication
   // challenge string |challenge|.
   // This is a convenience function which creates a ChallengeTokenizer for
   // |challenge| and calls |CreateAuthHandler|. See |CreateAuthHandler| for
   // more details on return values.
   // TODO(asanka): UPdate comment
   virtual scoped_ptr<HttpAuthHandler> CreateAndInitPreemptiveAuthHandler(
       HttpAuthCache::Entry* cache_entry,
-      const HttpAuthChallengeTokenizer& tokenizer,
       HttpAuth::Target target,
       const BoundNetLog& net_log) = 0;
 
   // Creates a standard HttpAuthHandlerRegistryFactory. The caller is
   // responsible for deleting the factory.
   // The default factory supports Basic, Digest, NTLM, and Negotiate schemes.
   //
   // |resolver| is used by the Negotiate authentication handler to perform
   // CNAME lookups to generate a Kerberos SPN for the server. It must be
   // non-NULL.  |resolver| must remain valid for the lifetime of the
@@ skipping 74 matching lines @@
       bool negotiate_enable_port);
 
   scoped_ptr<HttpAuthHandler> CreateAuthHandlerForScheme(
       const std::string& scheme) override;
 
   // Create an auth handler by dispatching the CreateAuthHandler() call to the
   // factory registered to handle challenge->scheme().  TODO(asanka): Update
   // comment
   scoped_ptr<HttpAuthHandler> CreateAndInitPreemptiveAuthHandler(
       HttpAuthCache::Entry* cache_entry,
-      const HttpAuthChallengeTokenizer& tokenizer,
       HttpAuth::Target target,
       const BoundNetLog& net_log) override;
 
  private:
   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_