chromium/chrome/browser/resources/ash/settings/os_apps_page/manage_isolated_web_apps_page/manage_isolated_web_apps_subpage.html

<style include="cr-shared-style settings-shared iron-flex">
</style>
<div class="cr-row first bottom-margin">
  <localized-link id="isolatedWebAppsDescription"
      class="cr-secondary-text"
      localized-string="$i18n{isolatedWebAppsDescription}">
  </localized-link>
</div>
<settings-toggle-button
    id="enableIsolatedWebAppsToggleButton"
    class="hr"
    label="$i18n{enableIsolatedWebAppsToggleLabel}"
    pref="{{prefs.ash.isolated_web_apps_enabled}}">
</settings-toggle-button>