Revert of Extract LoginPerformer to chromeos/auth

chromeos/login/auth/authenticator.cc

 // Copyright 2014 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.
 
 #include "chromeos/login/auth/authenticator.h"
 
 namespace chromeos {
 
 class AuthStatusConsumer;
 
 Authenticator::Authenticator(AuthStatusConsumer* consumer)
-    : consumer_(consumer), authentication_context_(NULL) {
+    : consumer_(consumer), authentication_profile_(NULL) {
 }
 
 Authenticator::~Authenticator() {
 }
 
 void Authenticator::SetConsumer(AuthStatusConsumer* consumer) {
   consumer_ = consumer;
 }
 
 }  // namespace chromeos