Remove retail mode.

chrome/browser/chromeos/ownership/owner_settings_service_chromeos.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/ownership/owner_settings_service_chromeos.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 584 matching lines @@
     bool setting_enabled;
     if (value.GetAsBoolean(&setting_enabled)) {
       attestation_settings->set_content_protection_enabled(setting_enabled);
     } else {
       NOTREACHED();
     }
   } else {
     // The remaining settings don't support Set(), since they are not
     // intended to be customizable by the user:
     //   kAccountsPrefTransferSAMLCookies
-    //   kAppPack
     //   kDeviceAttestationEnabled
     //   kDeviceOwner
-    //   kIdleLogoutTimeout
-    //   kIdleLogoutWarningDuration
     //   kReleaseChannelDelegated
     //   kReportDeviceActivityTimes
     //   kReportDeviceBootMode
     //   kReportDeviceLocation
     //   kReportDeviceVersionInfo
     //   kReportDeviceNetworkInterfaces
     //   kReportDeviceUsers
     //   kReportDeviceHardwareStatus
-    //   kScreenSaverExtensionId
-    //   kScreenSaverTimeout
     //   kServiceAccountIdentity
-    //   kStartUpUrls
     //   kSystemTimezonePolicy
     //   kVariationsRestrictParameter
     //   kDeviceDisabled
     //   kDeviceDisabledMessage
 
     LOG(FATAL) << "Device setting " << path << " is read-only.";
   }
 }
 
 void OwnerSettingsServiceChromeOS::OnPostKeypairLoadedActions() {
@@ skipping 96 matching lines @@
   std::vector<OnManagementSettingsSetCallback> callbacks;
   pending_management_settings_callbacks_.swap(callbacks);
   for (const auto& callback : callbacks) {
     if (!callback.is_null())
       callback.Run(success);
   }
   StorePendingChanges();
 }
 
 }  // namespace chromeos