chromium/ui/file_manager/file_manager/foreground/js/ui/banners/shared_with_crostini_pluginvm_banner.html

<state-banner>
  <span slot="text">$i18n{MESSAGE_FOLDER_SHARED_WITH_CROSTINI_AND_PLUGIN_VM}</span>
  <cr-button slot="extra-button">
    $i18n{MANAGE_TOAST_BUTTON_LABEL}
  </cr-button>
</state-banner>