In chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc

There is a "plural" translation that should be done differently, per msramek@. as reported in a CL review at 
https://codereview.chromium.org/2919853002/diff/20001/chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc#oldcode1689

 1689     {"cookiePlural", IDS_SETTINGS_COOKIES_PLURAL_COOKIES},	 
msramek (slow) 2017/06/01 23:09:59
[...] this is wrong - it should use an ICU string.

There are languages that have dual number (Arabic, Slovenian), or a different
case for "few" (2,3,4 - most Slavic languages).