Add a new policy to allow for release channel delegation.

chrome/browser/chromeos/cros_settings_names.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_NAMES_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_NAMES_H_
 #pragma once
 
 namespace chromeos {
 
 extern const char kCrosSettingsPrefix[];
 
 extern const char kAccountsPrefAllowGuest[];
 extern const char kAccountsPrefAllowNewUser[];
 extern const char kAccountsPrefShowUserNamesOnSignIn[];
 extern const char kAccountsPrefUsers[];
 extern const char kAccountsPrefEphemeralUsersEnabled[];
 
 extern const char kSettingProxyEverywhere[];
 
 extern const char kSignedDataRoamingEnabled[];
 
 extern const char kSystemTimezone[];
 
 extern const char kDeviceOwner[];
 
 extern const char kStatsReportingPref[];
 
 extern const char kReleaseChannel[];
+extern const char kReleaseChannelDelegated[];
 
 extern const char kReportDeviceVersionInfo[];
 extern const char kReportDeviceActivityTimes[];
 extern const char kReportDeviceBootMode[];
 
 extern const char kAppPack[];
 
 extern const char kScreenSaverExtensionId[];
 extern const char kScreenSaverTimeout[];
 
 extern const char kIdleLogoutTimeout[];
 extern const char kIdleLogoutWarningDuration[];
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_SETTINGS_NAMES_H_