Browsing Swahili translation

UNUSED: () OR (chromeos) OR (enable_app_list and not use_titlecase) OR (not use_titlecase) OR (use_ash) == False
note: "The label of the 'New Tab' Tab context menu item."
note: 'The text in the keyboard overlay to explain the shortcut.'
note: 'The tooltip for the new tab button'
note: "Title text for the 'open new' context menu item of an app list item configured to open in a tab"
note: "Title text for the 'open new' context menu item of the launcher for apps configured to open in a tab"
in: results/cr/chrome/app/generated_resources.grd, as IDS_TOOLTIP_NEW_TAB
in: results/cr/chrome/app/generated_resources.grd, as IDS_TAB_CXMENU_NEWTAB