chromium/chrome/browser/resources/settings/search_engines_page/omnibox_extension_entry.html

    <style include="settings-shared search-engine-entry">
      .name-column {
        align-items: center;
        display: flex;
        flex: 3;
        word-break: break-word;
      }

      .keyword-column {
        flex: 7;
      }
    </style>
    <div class="list-item" focus-row-container>
      <div class="name-column">
        <site-favicon favicon-url="[[engine.iconURL]]"></site-favicon>
        <span>[[engine.displayName]]</span>
      </div>
      <div class="keyword-column">[[engine.keyword]]</div>
      <cr-icon-button class="icon-more-vert" on-click="onDotsClick_"
          title="$i18n{moreActions}" focus-row-control focus-type="menu">
      </cr-icon-button>
      <cr-action-menu role-description="$i18n{menu}">
        <button class="dropdown-item" on-click="onManageClick_"
            id="manage">
          $i18n{searchEnginesManageExtension}
        </button>
        <button class="dropdown-item" on-click="onDisableClick_"
            id="disable">
          $i18n{disable}
        </button>
      </cr-action-menu>
    </div>