Move UserInfo to user_manager.

components/user_manager/user_info.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 "sync/notifier/invalidator.h"
+#include "components/user_manager/user_info.h"
 
-namespace syncer {
+namespace user_manager {
 
-Invalidator::Invalidator() {
+UserInfo::UserInfo() {
 }
 
-Invalidator::~Invalidator() {
+UserInfo::~UserInfo() {
 }
 
-}  // namespace syncer
+}  // namespace user_manager