Workaround for LMU creation on when ChromeOS build runs on desktop.

chrome/browser/chromeos/login/managed/locally_managed_user_creation_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/managed/locally_managed_user_creation_controller.h"
 
 #include "base/bind.h"
+#include "base/chromeos/chromeos_version.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/managed/locally_managed_user_constants.h"
 #include "chrome/browser/chromeos/login/mount_manager.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/managed_mode/managed_user_registration_service_factory.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "content/public/browser/browser_thread.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 
 namespace chromeos {
 
 namespace {
 
 bool StoreManagedUserFiles(const std::string& token,
                            const base::FilePath& base_path) {
+  if (!base::chromeos::IsRunningOnChromeOS()) {
+    // If running on desktop, cryptohome stub does not create home directory.
+    file_util::CreateDirectory(base_path);
+  }
   base::FilePath token_file = base_path.Append(kManagedUserTokenFilename);
   int bytes = file_util::WriteFile(token_file, token.c_str(), token.length());
   return bytes >= 0;
 }
 
 } // namespace
 
 LocallyManagedUserCreationController::StatusConsumer::~StatusConsumer() {}
 
 LocallyManagedUserCreationController::UserCreationContext::UserCreationContext()
@@ skipping 130 matching lines @@
     if (consumer_)
       consumer_->OnCreationError(TOKEN_WRITE_FAILED);
     return;
   }
   UserManager::Get()->CommitLocallyManagedUserCreationTransaction();
   if (consumer_)
     consumer_->OnCreationSuccess();
 }
 
 }  // namespace chromeos