Roll Linux reference build to official build 30.0.1599.33

chrome_linux/installer/debian/postrm

+#!/bin/sh
+#
+# Copyright (c) 2009 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.
+
+action="$1"
+
+# Only do complete clean-up on purge.
+if [ "$action" != "purge" ] ; then
+  exit 0
+fi
+
+@@include@@../common/apt.include
+
+@@include@@../common/symlinks.include
+
+remove_udev_symlinks
+
+# Only remove the defaults file if it is not empty. An empty file was probably
+# put there by the sysadmin to disable automatic repository configuration, as
+# per the instructions on the package download page.
+if [ -s "$DEFAULTS_FILE" ]; then
+  # Make sure the package defaults are removed before the repository config,
+  # otherwise it could result in the repository config being removed, but the
+  # package defaults remain and are set to not recreate the repository config.
+  # In that case, future installs won't recreate it and won't get auto-updated.
+  rm "$DEFAULTS_FILE" || exit 1
+fi
+# Remove any Google repository added by the package.
+clean_sources_lists