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

chrome/browser/component_updater/pnacl_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/pnacl_component_installer.h"
 
 #include <stdint.h>
 #include <string>
 #include <vector>
 
@@ skipping 273 matching lines @@
 bool PnaclComponentInstaller::Uninstall() {
   return false;
 }
 
 CrxComponent PnaclComponentInstaller::GetCrxComponent() {
   CrxComponent pnacl_component;
   pnacl_component.version = current_version();
   pnacl_component.name = "pnacl";
   pnacl_component.installer = this;
   pnacl_component.fingerprint = current_fingerprint();
+  pnacl_component.supports_group_policy_enable_component_updates = true;
   SetPnaclHash(&pnacl_component);
 
   return pnacl_component;
 }
 
 namespace {
 
 void FinishPnaclUpdateRegistration(
     const base::Version& current_version,
     const std::string& current_fingerprint,
@@ skipping 74 matching lines @@
 }  // namespace component_updater
 
 namespace pnacl {
 
 bool NeedsOnDemandUpdate() {
   return base::subtle::NoBarrier_Load(
              &component_updater::needs_on_demand_update) != 0;
 }
 
 }  // namespace pnacl