chrome/browser/resources/bookmarks/command_manager.html

<style include="shared-style">
  .label {
    flex: 1;
  }

  .sublabel {
    color: var(--cr-secondary-text-color);
    margin-inline-start: 8px;
    text-align: end;
    width: 3ch;
  }

  :host(:not([has-any-sublabel_])) .sublabel {
    display: none;
  }
</style>
<cr-lazy-render id="dropdown">
  <template>
    <cr-action-menu on-mousedown="onMenuMousedown_"
        role-description="$i18n{menu}">
      <template is="dom-repeat" items="[[menuCommands_]]" as="command">
        <button class="dropdown-item"
            command$="[[command]]"
            hidden$="[[!isCommandVisible_(command, menuIds_)]]"
            disabled$="[[!isCommandEnabled_(command, menuIds_, canPaste_)]]"
            on-click="onCommandClick_">
          <span class="label">
            [[getCommandLabel_(command, menuIds_)]]
          </span>
          <span class="sublabel">
            [[getCommandSublabel_(command, menuIds_)]]
          </span>
        </button>
        <hr hidden$="[[!showDividerAfter_(command, menuIds_)]]"
            aria-hidden="true">
      </template>
    </cr-action-menu>
  </template>
</cr-lazy-render>
<cr-lazy-render id="editDialog">
  <template>
    <bookmarks-edit-dialog></bookmarks-edit-dialog>
  </template>
</cr-lazy-render>
<cr-lazy-render id="openDialog">
  <template>
    <cr-dialog>
      <div slot="title">$i18n{openDialogTitle}</div>
      <div slot="body"></div>
      <div slot="button-container">
        <cr-button class="cancel-button" on-click="onOpenCancelTap_">
          $i18n{cancel}
        </cr-button>
        <cr-button class="action-button" on-click="onOpenConfirmTap_">
          $i18n{openDialogConfirm}
        </cr-button>
      </div>
    </cr-dialog>
  </template>
</cr-lazy-render>