Additional logs for supervised user auth/creation errors.

chrome/browser/chromeos/login/supervised/supervised_user_creation_screen.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/chromeos/login/supervised/supervised_user_creation_screen.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/shell.h"
 #include "base/rand_util.h"
 #include "base/values.h"
@@ skipping 352 matching lines @@
 }
 
 void SupervisedUserCreationScreen::OnActorDestroyed(
     SupervisedUserCreationScreenHandler* actor) {
   if (actor_ == actor)
     actor_ = NULL;
 }
 
 void SupervisedUserCreationScreen::OnCreationError(
     SupervisedUserCreationController::ErrorCode code) {
+  LOG(ERROR) << "Supervised user creation failure, code: " << code;

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

nit: s/code/error code/

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

Done.

+
   base::string16 title;
   base::string16 message;
   base::string16 button;
   // TODO(antrim) : find out which errors do we really have.
   // We might reuse some error messages from ordinary user flow.
   switch (code) {
     case SupervisedUserCreationController::CRYPTOHOME_NO_MOUNT:
     case SupervisedUserCreationController::CRYPTOHOME_FAILED_MOUNT:
     case SupervisedUserCreationController::CRYPTOHOME_FAILED_TPM:
       title = l10n_util::GetStringUTF16(
@@ skipping 208 matching lines @@
     selected_image_ = user_manager::User::USER_IMAGE_EXTERNAL;
   } else {
     NOTREACHED() << "Unexpected image type: " << image_type;
   }
 }
 
 void SupervisedUserCreationScreen::OnImageAccepted() {
 }
 
 }  // namespace chromeos