Support relocatable RPM packages

chrome/installer/linux/debian/postrm

 #!/bin/sh
 #
 # Copyright (c) 2009 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.
 
 set -e
 
 action="$1"
 
 # Only do complete clean-up on purge.
 if [ "$action" != "purge" ] ; then
   exit 0
 fi
 
+@@include@@../common/variables.include
+
 @@include@@../common/apt.include
 
 @@include@@../common/symlinks.include
 
+remove_chrome_symlinks
 remove_udev_symlinks
 
 # Only remove the defaults file if it is not empty. An empty file was probably
 # put there by the sysadmin to disable automatic repository configuration, as
 # per the instructions on the package download page.
 if [ -s "$DEFAULTS_FILE" ]; then
   # Make sure the package defaults are removed before the repository config,
   # otherwise it could result in the repository config being removed, but the
   # package defaults remain and are set to not recreate the repository config.
   # In that case, future installs won't recreate it and won't get auto-updated.
   rm "$DEFAULTS_FILE" || exit 1
 fi
 # Remove any Google repository added by the package.
 clean_sources_lists