[login_manager] throw the switch to in-chrome authentication

session_manager_setup.sh

 #!/bin/sh
 
 # Copyright (c) 2010 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.
 
 XAUTH=/usr/bin/xauth
 XAUTH_FILE="/var/run/chromelogin.auth"
 SERVER_READY=
 
@@ skipping 71 matching lines @@
 rm -rf ${LOGIN_PROFILE_DIR}
 mkdir -p ${LOGIN_PROFILE_DIR}
 mount -n -t tmpfs -onodev,noexec,nosuid loginprofile ${LOGIN_PROFILE_DIR}
 chown ${USER}:${USER} ${LOGIN_PROFILE_DIR}
 
 # temporary hack to tell cryptohome that we're doing chrome-login
 touch /tmp/doing-chrome-login
 
 CHROME_DIR="/opt/google/chrome"
 CHROME="$CHROME_DIR/chrome"
-COOKIE_PIPE="/tmp/cookie_pipe"
 SEND_METRICS="/etc/send_metrics"
 CONSENT_FILE="$DATA_DIR/Consent To Send Stats"
 
 # xdg-open is used to open downloaded files.
 # It runs sensible-browser, which uses $BROWSER.
 export BROWSER=${CHROME}
 
 USER_ID=$(/usr/bin/id -u ${USER})
 
 SKIP_OOBE=
@@ skipping 35 matching lines @@
 
 exec /sbin/session_manager --uid=${USER_ID} --login -- \
     $CHROME --enable-gview \
             --enable-sync \
             --log-level=0 \
             "$CHROME_LOG_FLAG" \
             --main-menu-url="http://welcome-cros.appspot.com/menu" \
             --no-first-run \
             --user-data-dir=/home/$USER \
             --login-profile=user \
-            "--cookie-pipe=$COOKIE_PIPE" \
+            --in-chrome-auth \
             --enable-login-images \
             "${SKIP_OOBE}"