Add ManagementMode enum and GetManagementMode().

chrome/browser/chromeos/settings/device_settings_provider.cc

Index: chrome/browser/chromeos/settings/device_settings_provider.cc
diff --git a/chrome/browser/chromeos/settings/device_settings_provider.cc b/chrome/browser/chromeos/settings/device_settings_provider.cc
index b330639e01b76f54452cc23036c75d048a9c7636..5b159a6f3a3d16e590c8cb832208b3318c5f1410 100644
--- a/chrome/browser/chromeos/settings/device_settings_provider.cc
+++ b/chrome/browser/chromeos/settings/device_settings_provider.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/policy/device_local_account.h"
 #include "chrome/browser/chromeos/policy/enterprise_install_attributes.h"
+#include "chrome/browser/chromeos/policy/policy_util.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_cache.h"
 #include "chrome/browser/metrics/metrics_reporting_state.h"
@@ -614,8 +615,8 @@ void DeviceSettingsProvider::UpdateValuesCache(
   // If the device is not managed, or is consumer-managed, we set the device
   // owner value.
   if (policy_data.has_username() &&
-      (!policy_data.has_request_token() ||
-       policy_data.management_mode() == em::PolicyData::CONSUMER_MANAGED)) {
+      (policy::PolicyUtil::IsLocalOwned(policy_data) ||
+       policy::PolicyUtil::IsConsumerManaged(policy_data))) {
     new_values_cache.SetString(kDeviceOwner, policy_data.username());
   }