Delete old files after an update.

chrome/installer/setup/install.cc

 // 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.
 
 #include "chrome/installer/setup/install.h"
 
 #include <windows.h>
 #include <shlobj.h>
 #include <time.h>
 
@@ skipping 14 matching lines @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/installer/setup/install_worker.h"
 #include "chrome/installer/setup/installer_crash_reporting.h"
 #include "chrome/installer/setup/setup_constants.h"
 #include "chrome/installer/setup/setup_util.h"
 #include "chrome/installer/setup/update_active_setup_version_work_item.h"
 #include "chrome/installer/util/beacons.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/create_reg_key_work_item.h"
 #include "chrome/installer/util/delete_after_reboot_helper.h"
+#include "chrome/installer/util/delete_old_versions.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/master_preferences.h"
 #include "chrome/installer/util/master_preferences_constants.h"
 #include "chrome/installer/util/set_reg_value_work_item.h"
 #include "chrome/installer/util/shell_util.h"
 #include "chrome/installer/util/util_constants.h"
 #include "chrome/installer/util/work_item.h"
 #include "chrome/installer/util/work_item_list.h"
@@ skipping 627 matching lines @@
 
       if (!installer_state.system_install()) {
         DCHECK_EQ(chrome_product->distribution(),
                   BrowserDistribution::GetDistribution());
         UpdateDefaultBrowserBeaconForPath(
             installer_state.target_path().Append(installer::kChromeExe));
       }
     }
 
     installer_state.SetStage(REMOVING_OLD_VERSIONS);
-
-    installer_state.RemoveOldVersionDirectories(
-        new_version,
-        existing_version.get(),
-        install_temp_path);
+    // TODO(fdoray): Launch a cleanup process when this fails during a not-in-
+    // use update. crbug.com/451546
+    DeleteOldVersions(installer_state.target_path());
   }
 
   return result;
 }
 
 void HandleOsUpgradeForBrowser(const installer::InstallerState& installer_state,
                                const installer::Product& chrome,
                                const base::Version& installed_version) {
   DCHECK(chrome.is_chrome());
 
@@ skipping 83 matching lines @@
   // Read master_preferences copied beside chrome.exe at install.
   MasterPreferences prefs(installation_root.AppendASCII(kDefaultMasterPrefs));
   base::FilePath chrome_exe(installation_root.Append(kChromeExe));
   CreateOrUpdateShortcuts(
       chrome_exe, chrome, prefs, CURRENT_USER, install_operation);
 
   UpdateDefaultBrowserBeaconForPath(chrome_exe);
 }
 
 }  // namespace installer