Trim unit* sections in data/locales/*

icu52/scripts/trim_data.sh

 #!/bin/bash
 # Copyright (c) 2014 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.
 
 
 # Remove display names for languages that are not listed in the accept-language
 # list of Chromium.
 function filter_display_language_names {
   UI_LANG_PATTERN="(${UI_LANGUAGES})[^a-z]"
@@ skipping 88 matching lines @@
   do
     [ $i != 'root.txt' ] && \
     sed -i '/^    zoneStrings/, /^        "meta:/ {
       /^    zoneStrings/ p
       /^        "meta:/ p
       d
     }' $i
   done
 }
 
+# Keep only duration and compound in units* sections.
+function filter_locale_data {
+  for i in "${dataroot}/locales/*.txt"
+  do
+    echo Overwriting $i ...
+    sed -r -i \
+      '/^    units(|Narrow|Short)\{$/, /^    \}$/ {
+         /^    units(|Narrow|Short)\{$/ p
+         /^        (duration|compound)\{$/, /^        \}$/ p
+         /^    \}$/ p
+         d
+       }' ${i}
+  done
+}
+
 # big5han and gb2312han collation do not make any sense and nobody uses them.
 function remove_legacy_chinese_codepoint_collation {
   echo "Removing Big5 / GB2312 collation data from Chinese locale"
   target="${dataroot}/coll/zh.txt"
   echo "Overwriting ${target}"
   sed -r -i '/^        (big5|gb2312)han\{$/,/^        \}$/ d' ${target}
 }
 
 dataroot="$(dirname $0)/../source/data"
 localedatapath="${dataroot}/locales"
 langdatapath="${dataroot}/lang"
 
 for lang in $(grep -v '^#' chrome_ui_languages.list)
 do
   # Set $OP to '|' only if $UI_LANGUAGES is not empty.
   OP=${UI_LANGUAGES:+|}
   UI_LANGUAGES="${UI_LANGUAGES}${OP}${lang}"
 done
 
 
 filter_display_language_names
 abridge_locale_data_for_non_ui_languages
 filter_currency_data
 filter_region_data
 remove_legacy_chinese_codepoint_collation
+filter_locale_data
 
 # Chromium OS needs exemplar cities for timezones, but not Chromium.
 # It'll save 400kB (uncompressed), but the size difference in
 # 7z compressed installer is <= 100kB.
 # TODO(jshin): Make separate data files for CrOS and Chromium.
-#fremove_exemplar_cities
-
-
+#remove_exemplar_cities