Elevated install of recovery component (component update part)

chrome/browser/component_updater/recovery_component_installer.h

 // Copyright (c) 2011 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_COMPONENT_UPDATER_RECOVERY_COMPONENT_INSTALLER_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_COMPONENT_INSTALLER_H_
 
+#include <string>
+
+#include "base/callback_forward.h"
+
 class PrefRegistrySimple;
 class PrefService;
 
 namespace component_updater {
 
 class ComponentUpdateService;
 
 // Component update registration for the recovery component. The job of the
 // recovery component is to repair the chrome installation or repair the Google
 // update installation. This is a last resort safety mechanism.
 void RegisterRecoveryComponent(ComponentUpdateService* cus, PrefService* prefs);
 
 // Register user preferences related to the recovery component.
 void RegisterPrefsForRecoveryComponent(PrefRegistrySimple* registry);
 
+// When |elevation_allowed|, launches an elevated process to do recovery.
+// |callback| is called when the preference flag is set for external consumer
+// to check.
+void StartElevatedRecoveryProcess(
+    PrefService* prefs, bool elevation_allowed, const base::Closure& callback);
+
+// Install the recovery component with elevated privilege.
+void InstallRecoveryComponentElevated(const std::string& version_str);
+
 }  // namespace component_updater
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_COMPONENT_INSTALLER_H_