chromium/chrome/browser/resources/extensions/site_permissions/site_permissions_by_site.html

<style include="cr-shared-style cr-icons shared-style">
  #container {
    box-sizing: border-box;
  }

  .cr-title-text {
    margin-inline-start: 16px;
  }

  #site-groups {
    margin: 0 var(--cr-section-padding);
  }
</style>
<div class="page-container" id="container">
  <div class="page-content">
    <div class="page-header">
      <cr-icon-button class="icon-arrow-back no-overlap" id="closeButton"
          on-click="onCloseButtonClick_">
      </cr-icon-button>
      <span class="cr-title-text">$i18n{sitePermissionsAllSitesPageTitle}</span>
    </div>
    <div id="site-groups">
      <template is="dom-repeat" items="[[siteGroups_]]">
        <site-permissions-site-group data="[[item]]" delegate="[[delegate]]"
            extensions="[[extensions]]"
            list-index="[[index]]">
        </site-permissions-site-group>
      </template>
    </div>
  </div>
</div>