Implement a basic UI flow for cryptohome encryption migration.

chromeos/login/auth/cryptohome_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/cryptohome_authenticator.h"
 
 #include <stdint.h>
 
 #include <vector>
 
@@ skipping 643 matching lines @@
 
 void CryptohomeAuthenticator::OnPasswordChangeDetected() {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   if (consumer_)
     consumer_->OnPasswordChangeDetected();
 }
 
 void CryptohomeAuthenticator::OnOldEncryptionDetected() {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   if (consumer_)
-    consumer_->OnOldEncryptionDetected();
+    consumer_->OnOldEncryptionDetected(current_state_->user_context);
 }
 
 void CryptohomeAuthenticator::OnAuthFailure(const AuthFailure& error) {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
 
   // OnAuthFailure will be called again with the same |error|
   // after the cryptohome has been removed.
   if (remove_user_data_on_failure_) {
     delayed_login_failure_ = &error;
     RemoveEncryptedData();
@@ skipping 348 matching lines @@
   Resolve();
 }
 
 void CryptohomeAuthenticator::SetOwnerState(bool owner_check_finished,
                                             bool check_result) {
   owner_is_verified_ = owner_check_finished;
   user_can_login_ = check_result;
 }
 
 }  // namespace chromeos