Move ParallelAuthnticator to chromeos and rename it to CryptohomeAuthenticator

chrome/browser/chromeos/login/auth/chrome_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 "chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h"
+
+#include "base/thread_task_runner_handle.h"
+#include "chrome/browser/chromeos/ownership/owner_settings_service.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
+#include "components/user_manager/user_manager.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+namespace chromeos {
+
+ChromeCryptohomeAuthenticator::ChromeCryptohomeAuthenticator(
+    AuthStatusConsumer* consumer)
+    : CryptohomeAuthenticator(base::ThreadTaskRunnerHandle::Get(), consumer) {
+}
+
+ChromeCryptohomeAuthenticator::~ChromeCryptohomeAuthenticator() {
+}
+
+bool ChromeCryptohomeAuthenticator::IsKnownUser(const UserContext& context) {
+  return user_manager::UserManager::Get()->IsKnownUser(context.GetUserID());
+}
+
+bool ChromeCryptohomeAuthenticator::IsSafeMode() {
+  bool is_safe_mode = false;
+  CrosSettings::Get()->GetBoolean(kPolicyMissingMitigationMode, &is_safe_mode);
+  return is_safe_mode;
+}
+
+void ChromeCryptohomeAuthenticator::CheckSafeModeOwnership(
+    const UserContext& context,
+    const IsOwnerCallback& callback) {
+  // |IsOwnerForSafeModeAsync| expects logged in state to be
+  // LOGGED_IN_SAFE_MODE.
+  if (LoginState::IsInitialized()) {
+    LoginState::Get()->SetLoggedInState(LoginState::LOGGED_IN_SAFE_MODE,
+                                        LoginState::LOGGED_IN_USER_NONE);
+  }
+
+  OwnerSettingsService::IsOwnerForSafeModeAsync(
+      context.GetUserID(), context.GetUserIDHash(), callback);
+}
+
+}  // namespace chromeos