Elevated install of recovery component (UI part).

chrome/browser/component_updater/recovery_component_installer.h

Index: chrome/browser/component_updater/recovery_component_installer.h
diff --git a/chrome/browser/component_updater/recovery_component_installer.h b/chrome/browser/component_updater/recovery_component_installer.h
index 260083decf1f7877fcff7543c023117bcdf95526..1a99430784085e1b1eac78bbd0334e4fd035d592 100644
--- a/chrome/browser/component_updater/recovery_component_installer.h
+++ b/chrome/browser/component_updater/recovery_component_installer.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_COMPONENT_INSTALLER_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_COMPONENT_INSTALLER_H_
 
+#include "base/callback_forward.h"
+
 class PrefRegistrySimple;
 class PrefService;
 
@@ -20,6 +22,12 @@ 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);
+
 }  // namespace component_updater
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_COMPONENT_INSTALLER_H_