Declare the binary components support the group policy to enable/disable them.

chrome/browser/component_updater/recovery_component_installer.cc

 // 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.
 
 #include "chrome/browser/component_updater/recovery_component_installer.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 214 matching lines @@
   if (!version.IsValid()) {
     NOTREACHED();
     return;
   }
 
   update_client::CrxComponent recovery;
   recovery.name = "recovery";
   recovery.installer = new RecoveryComponentInstaller(version, prefs);
   recovery.version = version;
   recovery.pk_hash.assign(kSha2Hash, &kSha2Hash[sizeof(kSha2Hash)]);
+  recovery.supports_group_policy_enable_component_updates = true;
   if (!cus->RegisterComponent(recovery)) {
     NOTREACHED() << "Recovery component registration failed.";
   }
 }
 
 void RecoveryUpdateVersionHelper(
     const base::Version& version, PrefService* prefs) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   prefs->SetString(prefs::kRecoveryComponentVersion, version.GetString());
 }
@@ skipping 196 matching lines @@
 #endif  // OS_WIN
   prefs->SetBoolean(prefs::kRecoveryComponentNeedsElevation, false);
 }
 
 void DeclinedElevatedRecoveryInstall(PrefService* prefs) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   prefs->SetBoolean(prefs::kRecoveryComponentNeedsElevation, false);
 }
 
 }  // namespace component_updater