Browsing Belarusian translation

UNUSED: () OR (chromeos) OR (enable_extensions) OR (enable_task_manager) OR (is_win) == False
note: 'Description of unknown cellular network technology. Shown under details on chrome:stettings/internet page.'
note: 'Name for a plugin whose name could not be determined'
note: 'Service Status'
note: 'Text indicating that the context URL for an error is unknown.'
note: 'The value displayed for an unknown NaCl debug stub port in the task manager.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_TASK_MANAGER_UNKNOWN_VALUE_TEXT
in: results/cr/chrome/app/generated_resources.grd, as IDS_EXTENSIONS_ERROR_CONTEXT_UNKNOWN