Move UserContext to its own file

chrome/browser/managed_mode/chromeos/manager_password_service.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 "chrome/browser/managed_mode/chromeos/manager_password_service.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
 #include "base/values.h"
+#include "chrome/browser/chromeos/login/auth/user_context.h"
 #include "chrome/browser/chromeos/login/managed/locally_managed_user_constants.h"
 #include "chrome/browser/chromeos/login/managed/supervised_user_authentication.h"
 #include "chrome/browser/chromeos/login/users/supervised_user_manager.h"
+#include "chrome/browser/chromeos/login/users/user.h"
 #include "chrome/browser/chromeos/login/users/user_manager.h"
 #include "chrome/browser/managed_mode/managed_user_constants.h"
 #include "chrome/browser/managed_mode/managed_user_sync_service.h"
 
 namespace chromeos {
 
 ManagerPasswordService::ManagerPasswordService() : weak_ptr_factory_(this) {}
 
 ManagerPasswordService::~ManagerPasswordService() {}
 
@@ skipping 231 matching lines @@
 void ManagerPasswordService::OnOldManagerKeyDeleted(
     const UserContext& master_key_context) {
   VLOG(1) << "Removed old master key for " << master_key_context.GetUserID();
 }
 
 void ManagerPasswordService::Shutdown() {
   settings_service_subscription_.reset();
 }
 
 }  // namespace chromeos