chromium/chrome/browser/resources/ash/settings/multidevice_page/multidevice_wifi_sync_item.html

<style include="settings-shared"></style>
<settings-multidevice-feature-item id="wifiSyncItem"
    feature="[[MultiDeviceFeature.WIFI_SYNC]]"
    page-content-data="[[pageContentData]]">
  <template is="dom-if" if="[[!isWifiSyncV1Enabled_]]" restamp>
    <settings-multidevice-wifi-sync-disabled-link
        class="secondary"
        id="featureSecondary"
        slot="feature-summary">
    </settings-multidevice-wifi-sync-disabled-link>
    <!-- Replace the standard feature-controller with an always disabled
      cr-toggle when Chrome Sync is disabled. When Chrome Sync is enabled
      the standard feature-controller is used. This is done to avoid adding
      extra logic in the standard feature-controller to keep the toggle
      unchecked when Chrome Sync is on but Wifi Sync host is enabled on the
      backend -->
    <cr-toggle disabled="true"
        slot="feature-controller">
    </cr-toggle>
  </template>
</settings-multidevice-feature-item>