Additional logs for supervised user auth/creation errors.

chromeos/login/auth/extended_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/extended_authenticator.h"
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "chromeos/cryptohome/async_method_caller.h"
@@ skipping 318 matching lines @@
     cryptohome::MountError return_code) {
   RecordEndMarker(time_marker);
   if (return_code == cryptohome::MOUNT_ERROR_NONE) {
     if (!success_callback.is_null())
       success_callback.Run();
     if (old_consumer_)
       old_consumer_->OnAuthSuccess(user_context);
     return;
   }
 
+  LOG(ERROR) << "Supervised user cryptohome error, code: " << return_code;

[ygorshenin1, 2014/08/14 15:52:32]

nit: s/code/mount error/

[Nikita (slow), 2014/08/14 16:02:06]

Done.

+
   AuthState state = FAILED_MOUNT;
 
   if (return_code == cryptohome::MOUNT_ERROR_TPM_COMM_ERROR ||
       return_code == cryptohome::MOUNT_ERROR_TPM_DEFEND_LOCK ||
       return_code == cryptohome::MOUNT_ERROR_TPM_NEEDS_REBOOT) {
     state = FAILED_TPM;
   }
 
   if (return_code == cryptohome::MOUNT_ERROR_USER_DOES_NOT_EXIST)
     state = NO_MOUNT;
 
   if (consumer_)
     consumer_->OnAuthenticationFailure(state);
 
   if (old_consumer_) {
     AuthFailure failure(AuthFailure::UNLOCK_FAILED);
     old_consumer_->OnAuthFailure(failure);
   }
 }
 
 }  // namespace chromeos