Added restart_in_chroot_if_needed to common.sh.

src/scripts/set_shared_user_password.sh

 #!/bin/bash
 
 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to set the password for the shared user account.  Stores the
 # MD5crypt'd password to a file, for use by customize_rootfs.sh.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
 # Script must be run inside the chroot
-assert_inside_chroot
+restart_in_chroot_if_needed $*
 
 FLAGS_HELP="USAGE: $0 [flags]"
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 # Die on any errors.
 set -e
 
 # Get password
 read -p "Enter password for shared user account: " PASSWORD
 
 CRYPTED_PASSWD_FILE=$SCRIPTS_DIR/shared_user_passwd.txt
 CRYPTED_PASSWD="$(echo "$PASSWORD" | openssl passwd -1 -stdin)"
 PASSWORD="gone now"
 
 echo "$CRYPTED_PASSWD" > $CRYPTED_PASSWD_FILE
 
 echo "Shared user password set in $CRYPTED_PASSWD_FILE"