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

chrome/installer/setup/uninstall.h

Index: chrome/installer/setup/uninstall.h
diff --git a/chrome/installer/setup/uninstall.h b/chrome/installer/setup/uninstall.h
index be10efb80070750d3366128c6216a724b32db018..206bd35f2a2a69d1523b7de0175711cf3b6d6849 100644
--- a/chrome/installer/setup/uninstall.h
+++ b/chrome/installer/setup/uninstall.h
@@ -60,6 +60,22 @@ installer::InstallStatus UninstallProduct(
     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_