[net/auth] Don't abort network transaction over non-permanent auth errors.

net/http/http_auth_controller.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_HTTP_HTTP_AUTH_CONTROLLER_H_
 #define NET_HTTP_HTTP_AUTH_CONTROLLER_H_
 
 #include <memory>
 #include <set>
 #include <string>
@@ skipping 92 matching lines @@
 
   // Sets |identity_| to the next identity that the transaction should try. It
   // chooses candidates by searching the auth cache and the URL for a
   // username:password. Returns true if an identity was found.
   bool SelectNextAuthIdentityToTry();
 
   // Populates auth_info_ with the challenge information, so that
   // URLRequestHttpJob can prompt for credentials.
   void PopulateAuthChallenge();
 
-  // If |result| indicates a permanent failure, disables the current
-  // auth scheme for this controller and returns true.  Returns false
-  // otherwise.
-  bool DisableOnAuthHandlerResult(int result);
+  // Handle the result of calling GenerateAuthToken on an HttpAuthHandler. The
+  // return value of this function should be used as the return value of the
+  // GenerateAuthToken operation.
+  int HandleGenerateTokenResult(int result);
 
   void OnIOComplete(int result);
 
   // Indicates if this handler is for Proxy auth or Server auth.
   HttpAuth::Target target_;
 
   // Holds the {scheme, host, path, port} for the authentication target.
   const GURL auth_url_;
 
   // Holds the {scheme, host, port} for the authentication target.
@@ skipping 36 matching lines @@
   HttpAuthHandlerFactory* const http_auth_handler_factory_;
 
   std::set<HttpAuth::Scheme> disabled_schemes_;
 
   CompletionCallback callback_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_CONTROLLER_H_