Fix multi-round authentication....

net/http/http_auth_handler_negotiate.cc

Index: net/http/http_auth_handler_negotiate.cc
===================================================================
--- net/http/http_auth_handler_negotiate.cc	(revision 59119)
+++ net/http/http_auth_handler_negotiate.cc	(working copy)
@@ -95,6 +95,13 @@
   scheme_ = "negotiate";
   score_ = 4;
   properties_ = ENCRYPTS_IDENTITY | IS_CONNECTION_BASED;
+  HttpAuth::AuthorizationResult auth_result =
+      auth_system_.ParseChallenge(challenge);
+  return (auth_result == HttpAuth::AUTHORIZATION_RESULT_ACCEPT);
+}
+
+HttpAuth::AuthorizationResult HttpAuthHandlerNegotiate::HandleAnotherChallenge(
+    HttpAuth::ChallengeTokenizer* challenge) {
   return auth_system_.ParseChallenge(challenge);
 }
 
@@ -103,10 +110,6 @@
   return auth_system_.NeedsIdentity();
 }
 
-bool HttpAuthHandlerNegotiate::IsFinalRound() {
-  return auth_system_.IsFinalRound();
-}
-
 bool HttpAuthHandlerNegotiate::AllowsDefaultCredentials() {
   if (target_ == HttpAuth::AUTH_PROXY)
     return true;