Move authorization_util files into base/mac.

chrome/browser/mac/keystone_promote_preflight.sh

Index: chrome/browser/mac/keystone_promote_preflight.sh
diff --git a/chrome/browser/mac/keystone_promote_preflight.sh b/chrome/browser/mac/keystone_promote_preflight.sh
index e054ff00dd4a2594756e67dc9a936e74a96bbce2..6582e08e397a5766eefb885ae89c25d89cd9d87e 100755
--- a/chrome/browser/mac/keystone_promote_preflight.sh
+++ b/chrome/browser/mac/keystone_promote_preflight.sh
@@ -1,6 +1,6 @@
 #!/bin/bash -p
 
-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# 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.
 
@@ -26,7 +26,7 @@ set -e
 export PATH="/usr/bin:/usr/sbin:/bin:/sbin"
 
 # Output the pid to stdout before doing anything else.  See
-# chrome/browser/mac/authorization_util.h.
+# base/mac/authorization_util.h.
 echo "${$}"
 
 if [ ${#} -ne 0 ] && [ ${#} -ne 2 ] ; then