Here's the upgrade-everything-to-Karmic change. As promised, some fairly

src/scripts/install_packages.sh

 #!/bin/sh
 
 # 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.
 
 # Sets up the chromium-based os from inside a chroot of the root fs.
 # NOTE: This script should be called by build_image.sh. Do not run this
 # on your own unless you know what you are doing.
 
@@ skipping 30 matching lines @@
 do_initrd = yes
 warn_initrd = no
 EOF
 
 # NB: KERNEL_VERSION comes from customize_opts.sh
 apt-get --yes --force-yes --no-install-recommends \
   install "linux-image-${KERNEL_VERSION}"
 
 # Setup bootchart. Due to dependencies, this adds about 180MB!
 apt-get --yes --force-yes --no-install-recommends install bootchart
-# TODO: Replace this with pybootchartgui, or remove it entirely.
-apt-get --yes --force-yes --no-install-recommends install bootchart-java
+# TODO: add pybootchartgui to create pretty picture.
+
 
 # Install additional packages from a second mirror, if necessary.  This must
 # be done after all packages from the first repository are installed; after
 # the apt-get update, apt-get and debootstrap will prefer the newest package
 # versions (which are probably on this second mirror).
 if [ -f "$PACKAGE_LIST_FILE2" ]
 then
   COMPONENTS2=`cat $PACKAGE_LIST_FILE2 | grep -v ' *#' | grep -v '^ *$' | sed '/$/{N;s/\n/ /;}'`
 
   echo "deb $SERVER2 $SUITE2 main restricted multiverse universe" \
@@ skipping 10 matching lines @@
 # $SETUP_DIR (which is under /tmp).
 sudo sh -c "/trunk/src/scripts/list_installed_packages.sh \
   > /etc/package_list_installed.txt"
 
 # Clean up other useless stuff created as part of the install process.
 rm -f /var/cache/apt/archives/*.deb
 
 # List all packages still installed post-pruning
 sudo sh -c "/trunk/src/scripts/list_installed_packages.sh \
   > /etc/package_list_pruned.txt"