Policy implementation for encryptfs to ext4 migration strategy

chrome/browser/chromeos/login/existing_user_controller.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/login/existing_user_controller.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 166 matching lines @@
 void RecordPasswordChangeFlow(LoginPasswordChangeFlow flow) {
   UMA_HISTOGRAM_ENUMERATION("Login.PasswordChangeFlow", flow,
                             LOGIN_PASSWORD_CHANGE_FLOW_COUNT);
 }
 
 bool ShouldForceDircrypto(const AccountId& account_id) {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           chromeos::switches::kDisableEncryptionMigration)) {
     return false;
   }
+
+  chromeos::StartupUtils::SetExt4MigrationForArcAllowed();
+
   // If the device is not officially supported to run ARC, we don't need to
   // force Ext4 dircrypto.
   if (!arc::IsArcAvailable())
     return false;
 
   // In some login flows (e.g. when siging in supervised user), ARC can not
   // start. For such cases, we don't need to force Ext4 dircrypto.
   chromeos::UserFlow* user_flow =
       chromeos::ChromeUserManager::Get()->GetUserFlow(account_id);
   if (!user_flow || !user_flow->CanStartArc())
@@ skipping 1296 matching lines @@
   login_display_->ShowUnrecoverableCrypthomeErrorDialog();
 }
 
 void ExistingUserController::ClearRecordedNames() {
   display_email_.clear();
   display_name_.clear();
   given_name_.clear();
 }
 
 }  // namespace chromeos