Drop noto-cjk fonts from the CrOS font list to install

build/linux/install-chromeos-fonts.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 # Script to install the Chrome OS fonts on Linux.
 # This script can be run manually (as root), but is also run as part
 # install-build-deps.sh.
 
 import os
 import shutil
 import subprocess
 import sys
 
 URL_TEMPLATE = ('https://commondatastorage.googleapis.com/chromeos-localmirror/'
                 'distfiles/%(name)s-%(version)s.tar.bz2')
 
 # Taken from the media-fonts/<name> ebuilds in chromiumos-overlay.
+# noto-cjk used to be here, but is removed because fc-cache takes too long
+# regenerating the fontconfig cache (See crbug.com/697954.)
+# TODO(jshin): Add it back when the above issue can be avoided.
 SOURCES = [
   {
     'name': 'notofonts',
     'version': '20161129'
   }, {
-    'name': 'noto-cjk',
-    'version': '20150910'
-  }, {
     'name': 'robotofonts',
     'version': '2.132'
   }
 ]
 
 URLS = sorted([URL_TEMPLATE % d for d in SOURCES])
 FONTS_DIR = '/usr/local/share/fonts'
 
 def main(args):
   if not sys.platform.startswith('linux'):
@@ skipping 72 matching lines @@
 To load additional per-font configs (and assuming you have Chrome OS checked
 out), add the following immediately before the "</fontconfig>" line:
 
   <include ignore_missing="yes">/path/to/src/third_party/chromiumos-overlay/media-libs/fontconfig/files/local.conf</include>
 """
 
   return 0
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))