chrome/browser/resources/extensions/toggle_row.html

<style>
  :host {
    display: block;
    touch-action: none;
  }

  input {
    display: none;
  }

  label {
    align-items: center;
    box-sizing: border-box;
    cursor: pointer;
    display: flex;
    flex: 1;
    padding: var(--toggle-row-label-vertical-padding, 0)
             var(--toggle-row-label-horizontal-padding, 0);
    width: 100%;
  }

  cr-toggle {
    display: inline-block;
  }

  :host ::slotted(*) {
    flex: 1;
    margin-inline-end: 20px;
  }
</style>
<label id="label">
  <input id="native" type="checkbox" checked="[[checked]]"
      on-change="onNativeChange_" on-click="onNativeClick_"
      disabled="[[disabled]]">
  <slot></slot>
  <cr-toggle id="crToggle" checked="{{checked}}" aria-labelledby="label"
      on-change="onCrToggleChange_" disabled="[[disabled]]"></cr-toggle>
</label>