Do Keychain reauthorization at update time

chrome/installer/mac/pkg-dmg

 #!/usr/bin/perl
 # ***** BEGIN LICENSE BLOCK *****
 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
 #
 # The contents of this file are subject to the Mozilla Public License Version
 # 1.1 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
 # http://www.mozilla.org/MPL/
 #
 # Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 290 matching lines @@
 # $PATH (/bin:/sbin:/usr/bin:/usr/sbin).  Otherwise, go by absolute
 # path.  These may be overridden with --config.
 %gConfig = ('cmd_bless'          => 'bless',
             'cmd_chmod'          => 'chmod',
             'cmd_diskutil'       => 'diskutil',
             'cmd_du'             => 'du',
             'cmd_hdid'           => 'hdid',
             'cmd_hdiutil'        => 'hdiutil',
             'cmd_mkdir'          => 'mkdir',
             'cmd_mktemp'         => 'mktemp',
-            'cmd_Rez'            => '/Developer/Tools/Rez',
+            'cmd_Rez'            => '/usr/bin/Rez',
             'cmd_rm'             => 'rm',
             'cmd_rsync'          => 'rsync',
-            'cmd_SetFile'        => '/Developer/Tools/SetFile',
+            'cmd_SetFile'        => '/usr/bin/SetFile',
 
             # create_directly indicates whether hdiutil create supports
             # -srcfolder and -srcdevice.  It does on >= 10.3 (Panther).
             # This is fixed up for earlier systems below.  If false,
             # hdiutil create is used to create empty disk images that
             # are manually filled.
             'create_directly'    => 1,
 
             # If hdiutil attach -mountpoint exists, use it to avoid
             # mounting disk images in the default /Volumes.  This reduces
@@ skipping 1189 matching lines @@
 "              [--license <file>]            (plain text license agreement)\n".
 "              [--resource <file>]           (flat .r files to merge)\n".
 "              [--icon <icns-file>]          (volume icon)\n".
 "              [--attribute <a>:<file>]      (set file attributes)\n".
 "              [--idme]                      (make Internet-enabled image)\n".
 "              [--sourcefile]                (treat --source as a file)\n".
 "              [--verbosity <level>]         (0, 1, 2; default=2)\n".
 "              [--dry-run]                   (print what would be done)\n");
   return;
 }