Fix in-use updates for Chrome Frame.

chrome/installer/setup/install_worker.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.
 //
 // This file contains the declarations of the installer functions that build
 // the WorkItemList used to install the application.
 
 #ifndef CHROME_INSTALLER_SETUP_INSTALL_WORKER_H_
 #define CHROME_INSTALLER_SETUP_INSTALL_WORKER_H_
 #pragma once
@@ skipping 121 matching lines @@
                                    WorkItemList* install_list,
                                    const Product& product);
 
 // Create Version key for a product (if not already present) and sets the new
 // product version as the last step.
 void AddVersionKeyWorkItems(HKEY root,
                             BrowserDistribution* dist,
                             const Version& new_version,
                             WorkItemList* list);
 
-// [Un]Registers Chrome and ChromeLauncher in IE's low rights elevation policy.
-void AddElevationPolicyWorkItems(const InstallationState& original_state,
-                                 const InstallerState& installer_state,
-                                 const Version& new_version,
-                                 WorkItemList* install_list);
+// Unregisters the "opv" version of ChromeLauncher from IE's low rights
+// elevation policy.
+void AddDeleteOldIELowRightsPolicyWorkItems(
+    const InstallerState& installer_state,
+    WorkItemList* install_list);
+
+// Adds work items to copy IE low rights policies for an in-use update.
+void AddCopyIELowRightsPolicyWorkItems(const InstallerState& installer_state,
+                                       WorkItemList* install_list);
 
 // Utility method currently shared between install.cc and install_worker.cc
 void AppendUninstallCommandLineFlags(const InstallerState& installer_state,
                                      const Product& product,
                                      CommandLine* uninstall_cmd);
 
 // Refreshes the elevation policy on platforms where it is supported.
 void RefreshElevationPolicy();
 
 // Add work items to add or remove the "quick-enable-cf" to the multi-installer
 // binaries' version key on the basis of the current operation (represented in
 // |installer_state|) and the pre-existing machine configuration (represented in
 // |machine_state|).  |setup_path| (the path to the executable currently being
 // run) and |new_version| (the version of the product(s) currently being
 // installed) are required when processing product installation; they are unused
 // (and may therefore be NULL) when uninstalling.
 void AddQuickEnableWorkItems(const InstallerState& installer_state,
                              const InstallationState& machine_state,
                              const FilePath* setup_path,
                              const Version* new_version,
                              WorkItemList* work_item_list);
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_SETUP_INSTALL_WORKER_H_