chromium/chrome/browser/resources/password_manager/sharing/share_password_dialog_header.html

<style include="shared-style">
  :host {
    align-items: center;
    display: grid;
    grid-template-columns: 1fr auto;
    line-height: normal;
  }

  cr-icon-button {
    --cr-icon-button-icon-size: 16px;
    --cr-icon-button-size: 20px;
    --cr-icon-button-margin-start: 0;
    --cr-icon-button-margin-end: 0;
  }

  /* This allows wrapping words into up to 3 lines,
   the last word is elided if it overflows. */
  .elide-text-after-three-lines {
    -webkit-line-clamp: 3; /* Number of lines to show */
    overflow: hidden;
    text-overflow: ellipsis;
  }
</style>

<span class="elide-text-after-three-lines">
  <slot></slot>
</span>
<cr-icon-button iron-icon="cr:help-outline" id="helpButton"
    title="$i18n{help}" on-click="onHelpClick_" suppress-rtl-flip>
</cr-icon-button>