Define EnabledComponentUpdates group policy for the component updater.

chrome/browser/policy/configuration_policy_handler_list_factory.cc

 // Copyright 2013 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/policy/configuration_policy_handler_list_factory.h"
 
 #include <limits.h>
 #include <stddef.h>
 
 #include <utility>
@@ skipping 344 matching lines @@
     base::Value::TYPE_BOOLEAN },
   { key::kHardwareAccelerationModeEnabled,
     prefs::kHardwareAccelerationModeEnabled,
     base::Value::TYPE_BOOLEAN },
   { key::kAllowDinosaurEasterEgg,
     prefs::kAllowDinosaurEasterEgg,
     base::Value::TYPE_BOOLEAN },
   { key::kAllowedDomainsForApps,
     prefs::kAllowedDomainsForApps,
     base::Value::TYPE_STRING },
+  { key::kComponentUpdatesEnabled,
+    prefs::kComponentUpdatesEnabled,
+    base::Value::TYPE_BOOLEAN },
 
 #if defined(ENABLE_SPELLCHECK)
   { key::kSpellCheckServiceEnabled,
     spellcheck::prefs::kSpellCheckUseSpellingService,
     base::Value::TYPE_BOOLEAN },
 #endif  // defined(ENABLE_SPELLCHECK)
 
   { key::kDisableScreenshots,
     prefs::kDisableScreenshots,
     base::Value::TYPE_BOOLEAN },
@@ skipping 502 matching lines @@
       SimpleSchemaValidatingPolicyHandler::MANDATORY_PROHIBITED)));
   handlers->AddHandler(base::WrapUnique(
       new chromeos::KeyPermissionsPolicyHandler(chrome_schema)));
   handlers->AddHandler(base::WrapUnique(new DefaultGeolocationPolicyHandler()));
 #endif  // defined(OS_CHROMEOS)
 
   return handlers;
 }
 
 }  // namespace policy