chromium/chrome/browser/resources/side_panel/bookmarks/power_bookmarks_context_menu.html

<style include="cr-icons cr-hidden-style sp-shared-style">
  hr {
    border: none;
    border-top: var(--cr-hairline);
  }

  .dropdown-item {
    justify-content: space-between;
  }
</style>

<cr-action-menu id="menu" on-mousedown="onMousedown_">
  <template is="dom-repeat"
      items="[[getMenuItemsForBookmarks_(
                   bookmarks_, priceTracked_, priceTrackingEligible_)]]">
    <template is="dom-if" if="[[!showDivider_(item)]]" restamp>
      <button class="dropdown-item" on-click="onMenuItemClicked_"
          disabled="[[item.disabled]]">
        [[item.label]]
      </button>
    </template>
    <template is="dom-if" if="[[showDivider_(item)]]" restamp>
      <hr>
    </template>
  </template>
</cr-action-menu>