[Chromoting] Add more logging to Mac install script.

remoting/host/installer/mac/Scripts/remoting_postflight.sh

 #!/bin/sh
 
 # 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.
 
 # Version = @@VERSION@@
 
 HELPERTOOLS=/Library/PrivilegedHelperTools
 SERVICE_NAME=org.chromium.chromoting
@@ skipping 42 matching lines @@
 trap 'rm -f "$USERS_TMP_FILE"' EXIT
 
 logger Running Chrome Remote Desktop postflight script @@VERSION@@
 
 # Register a ticket with Keystone to keep this package up to date.
 $KSADMIN --register --productid "$KSPID" --version "$KSPVERSION" \
     --xcpath "$PLIST" --url "$KSUPDATE"
 
 # If there is a backup _enabled file, re-enable the service.
 if [[ -f "$ENABLED_FILE_BACKUP" ]]; then
+  logger Restoring _enabled file
   mv "$ENABLED_FILE_BACKUP" "$ENABLED_FILE"
 fi
 
 # Create the PAM configuration unless it already exists and has been edited.
 update_pam=1
 CONTROL_LINE="# If you edit this file, please delete this line."
 if [[ -f "$PAM_CONFIG" ]] && ! grep -qF "$CONTROL_LINE" "$PAM_CONFIG"; then
   update_pam=0
 fi
 
@@ skipping 41 matching lines @@
       # work. To do this, find the PID of a process which is running in that
       # context. The loginwindow process is a good candidate since the user
       # (if logged in to a session) will definitely be running it.
       pid="$(find_login_window_for_user "$uid")"
       if [[ ! -n "$pid" ]]; then
         exit 1
       fi
       bootstrap_user="launchctl bsexec $pid"
     fi
 
+    logger $bootstrap_user $sudo_user $load
     $bootstrap_user $sudo_user $load
+    logger $bootstrap_user $sudo_user $start
     $bootstrap_user $sudo_user $start
   done
 fi