Browsing Korean translation

UNUSED: () OR (chromeos) OR (enable_extensions) OR (not is_android) OR (not is_macosx) == False
note: "In the download view, 'Retry' button text to retry downloading a file."
note: 'Text for button on an error reporting screen for supervised user creation, that is used to retry failed operation'
note: 'The button label to retry downloading the dictionary for spellchecking.'
note: 'The label text of the retry button on the Easy unlock turn off dialog when Easy unlock could not be turned off because there is a server error.'
note: 'The text of the button to retry loading an extension.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_MD_DOWNLOAD_LINK_RETRY
in: results/cr/chrome/app/generated_resources.grd, as IDS_EXTENSIONS_LOAD_ERROR_RETRY