[net/http auth] Cleanup. Method names, and constness.

net/http/http_auth_handler_ntlm_win.cc

Index: net/http/http_auth_handler_ntlm_win.cc
diff --git a/net/http/http_auth_handler_ntlm_win.cc b/net/http/http_auth_handler_ntlm_win.cc
index f471ea97206d1d54c6e356333b25b1b933d60d7e..4b58be46f446510ad722a2b1414705796d30cb90 100644
--- a/net/http/http_auth_handler_ntlm_win.cc
+++ b/net/http/http_auth_handler_ntlm_win.cc
@@ -51,7 +51,7 @@ HttpAuthHandlerNTLM::Factory::~Factory() {
 }
 
 int HttpAuthHandlerNTLM::Factory::CreateAuthHandler(
-    HttpAuthChallengeTokenizer* challenge,
+    const HttpAuthChallengeTokenizer& challenge,
     HttpAuth::Target target,
     const GURL& origin,
     CreateReason reason,
@@ -73,10 +73,11 @@ int HttpAuthHandlerNTLM::Factory::CreateAuthHandler(
   scoped_ptr<HttpAuthHandler> tmp_handler(
       new HttpAuthHandlerNTLM(sspi_library_.get(), max_token_length_,
                               url_security_manager()));
-  if (!tmp_handler->InitFromChallenge(challenge, target, origin, net_log))
-    return ERR_INVALID_RESPONSE;
-  handler->swap(tmp_handler);
-  return OK;
+  int result =
+      tmp_handler->HandleInitialChallenge(challenge, target, origin, net_log);
+  if (result == OK)
+    handler->swap(tmp_handler);
+  return result;
 }
 
 }  // namespace net