chromium/chrome/browser/resources/settings/relaunch_confirmation_dialog.html

<cr-dialog id="dialog" close-text="$i18n{close}" show-on-attach>
  <div slot="title">$i18n{relaunchConfirmationDialogTitle}</div>
  <div slot="body">[[relaunchConfirmationDialogDesc]]</div>
  <div slot="button-container">
    <cr-button id="cancel" class="cancel-button" on-click="onDialogCancel_">
      $i18n{cancel}
    </cr-button>
    <cr-button id="confirm" class="action-button" on-click="onDialogConfirm_">
      $i18n{restart}
    </cr-button>
  </div>
</cr-dialog>