Add RESTORE_MODE_DISABLED to RestoreMode

chrome/browser/chromeos/policy/server_backed_device_state.cc

 // Copyright (c) 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/policy/server_backed_device_state.h"
 
+#include <string>
+
+#include "base/logging.h"
+#include "base/prefs/pref_service.h"
+#include "base/values.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/browser_process_platform_part.h"
+#include "chrome/common/pref_names.h"
+
 namespace policy {
 
 const char kDeviceStateManagementDomain[] = "management_domain";
 const char kDeviceStateRestoreMode[] = "device_mode";
-const char kDeviceStateDisabled[] = "disabled";
 const char kDeviceStateDisabledMessage[] = "disabled_message";
 
 const char kDeviceStateRestoreModeReEnrollmentRequested[] =
     "re-enrollment-requested";
 const char kDeviceStateRestoreModeReEnrollmentEnforced[] =
     "re-enrollment-enforced";
+const char kDeviceStateRestoreModeDisabled[] = "disabled";
+
+RestoreMode GetRestoreMode() {
+  std::string restore_mode;
+  g_browser_process->local_state()->GetDictionary(
+      prefs::kServerBackedDeviceState)->GetString(kDeviceStateRestoreMode,
+                                                  &restore_mode);
+  if (restore_mode.empty())
+    return RESTORE_MODE_NONE;
+  if (restore_mode == kDeviceStateRestoreModeReEnrollmentRequested)
+    return RESTORE_MODE_REENROLLMENT_REQUESTED;
+  if (restore_mode == kDeviceStateRestoreModeReEnrollmentEnforced)
+    return RESTORE_MODE_REENROLLMENT_ENFORCED;
+  if (restore_mode == kDeviceStateRestoreModeDisabled)
+    return RESTORE_MODE_DISABLED;
+
+  NOTREACHED();
+  return RESTORE_MODE_NONE;
+}
 
 }  // namespace policy