chrome/browser/resources/options/certificate_import_error_overlay.html

<div id="certificateImportErrorOverlay" class="page" hidden>
  <div class="close-button"></div>
  <h1 id="certificateImportErrorOverlayTitle"></h1>
  <div class="content-area">
    <div id="certificateImportErrorOverlayMessage"></div>
    <ul id="certificateImportErrorOverlayCertErrors"></ul>
  </div>
  <div class="action-area">
    <div class="button-strip">
      <button id="certificateImportErrorOverlayOk" class="default-button"
          type="submit" i18n-content="done">
      </button>
    </div>
  </div>
</div>