Revert of This CL replaces user_manager::UserID with AccountId.

chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.cc

 // Copyright (c) 2012 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/chromeos/policy/user_cloud_policy_manager_chromeos.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 51 matching lines @@
 void OnWildcardCheckCompleted(const std::string& username,
                               WildcardLoginChecker::Result result) {
   if (result == WildcardLoginChecker::RESULT_BLOCKED) {
     LOG(ERROR) << "Online wildcard login check failed, terminating session.";
 
     // TODO(mnissler): This only removes the user pod from the login screen, but
     // the cryptohome remains. This is because deleting the cryptohome for a
     // logged-in session is not possible. Fix this either by delaying the
     // cryptohome deletion operation or by getting rid of the in-session
     // wildcard check.
-    user_manager::UserManager::Get()->RemoveUserFromList(
-        AccountId::FromUserEmail(username));
+    user_manager::UserManager::Get()->RemoveUserFromList(username);
     chrome::AttemptUserExit();
   }
 }
 
 }  // namespace
 
 UserCloudPolicyManagerChromeOS::UserCloudPolicyManagerChromeOS(
     scoped_ptr<CloudPolicyStore> store,
     scoped_ptr<CloudExternalDataManager> external_data_manager,
     const base::FilePath& component_policy_cache_path,
@@ skipping 333 matching lines @@
     // OnComponentCloudPolicyUpdated() once it's ready.
     return;
   }
 
   core()->StartRefreshScheduler();
   core()->TrackRefreshDelayPref(local_state_,
                                 policy_prefs::kUserPolicyRefreshRate);
 }
 
 }  // namespace policy