chrome/browser/resources/extensions/load_error.html

<style include="cr-shared-style">
  .description-row {
    display: flex;
  }

  .row-label {
    display: block;
    width: 104px;  /* Magic number from the specs. */
  }

  paper-spinner-lite {
    margin-inline-end: 8px;
  }
</style>
<cr-dialog id="dialog" close-text="$i18n{close}">
  <div slot="title">$i18n{loadErrorHeading}</div>
  <div slot="body">
    <div id="info">
      <div id="file" class="description-row">
        <span class="row-label">$i18n{loadErrorFileLabel}</span>
        <span class="row-value">[[loadError.path]]</span>
      </div>
      <div id="error" class="description-row">
        <span class="row-label">$i18n{loadErrorErrorLabel}</span>
        <span class="row-value">[[loadError.error]]</span>
      </div>
    </div>
    <extensions-code-section id="code"
        could-not-display-code="$i18n{loadErrorCouldNotLoadManifest}">
    </extensions-code-section>
  </div>
  <div slot="button-container">
    <paper-spinner-lite active="[[retrying_]]"></paper-spinner-lite>
    <cr-button class="cancel-button" on-click="close">
      $i18n{cancel}
    </cr-button>
    <cr-button class="action-button" disabled="[[retrying_]]"
        on-click="onRetryTap_">
      $i18n{loadErrorRetry}
    </cr-button>
  </div>
</cr-dialog>