Copy setup when quick-enabling app host to user-level from system-level.

chrome/installer/setup/uninstall.h

 // 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.
 //
 // This file declares Chrome uninstall related functions.
 
 #ifndef CHROME_INSTALLER_SETUP_UNINSTALL_H_
 #define CHROME_INSTALLER_SETUP_UNINSTALL_H_
 
 #include <shlobj.h>
@@ skipping 42 matching lines @@
 //           was used to launch current uninstaller.
 installer::InstallStatus UninstallProduct(
     const InstallationState& original_state,
     const InstallerState& installer_state,
     const FilePath& setup_path,
     const Product& dist,
     bool remove_all,
     bool force_uninstall,
     const CommandLine& cmd_line);
 
+// Cleans up the installation directory after all uninstall operations have
+// completed. Depending on what products are remaining, setup.exe and the
+// installer archive may be deleted. Empty directories will be pruned (or
+// scheduled for pruning after reboot, if necessary).
+//
+// original_state: The installation state of all products on the system.
+// installer_state: State associated with this operation.
+// cmd_line: CommandLine that contains information about the command that
+//           was used to launch current uninstaller.
+// uninstall_status: the uninstall status so far (may change during invocation).
+void CleanUpInstallationDirectoryAfterUninstall(
+    const InstallationState& original_state,
+    const InstallerState& installer_state,
+    const CommandLine& cmd_line,
+    installer::InstallStatus* uninstall_status);
+
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_SETUP_UNINSTALL_H_