chrome/browser/resources/new_tab_page/modules/info_dialog.html

<cr-dialog id="dialog" consume-keydown-event
    ?show-on-attach="${this.showOnAttach}">
  <div slot="title">$i18n{modulesTasksInfoTitle}</div>
  <div slot="body">
    <slot></slot>
  </div>
  <div slot="button-container">
    <cr-button id="closeButton" class="action-button"
        @click="${this.onCloseClick_}">
      $i18n{modulesTasksInfoClose}
    </cr-button>
  </div>
</cr-dialog>