chromium/chrome/browser/resources/chromeos/multidevice_internals/browser_tabs_model_form.html

<style include="cr-shared-style shared-style">
  :host {
    display: flex;
    height: 500px;
  }

  #fieldColumn {
    flex: 2;
  }

  .updates {
    font-size: 15px;
  }
</style>

<div class="column">
  <div class="emphasize updates" hidden="[[!isTabSyncEnabled_]]">
    [[nValidTabs_]] valid metadatas
  </div>
  <cr-button on-click="setFakeBrowserTabModel_" class="internals-button">
    <span class="emphasize">Change Browser Tabs Status</span>
  </cr-button>
  <div class="label">
    <span class="emphasize">Note:</span> Click the button above to propagate
    <span class="emphasize">VALID (green)</span> browser tab status values on
    the right hand side to the fake phonehub manager. Note that if a field is
    empty or favicon is set to NONE, then that corresponding tab will not be
    sent, and the background will be grey.
  </div>
</div>
<div class="column" id="fieldColumn">
  <div class="cr-padded-text">
    Toggle Tab Sync enabled
  </div>
  <cr-toggle checked="{{isTabSyncEnabled_}}">
  </cr-toggle>
  <template is="dom-if" if="[[isTabSyncEnabled_]]" restamp>
    <div class="cr-row">
      <div class="column">1: </div>
      <browser-tabs-metadata-form
          browser-tab-metadata="{{browserTabOneMetadata_}}">
      </browser-tabs-metadata-form>
    </div>
    <div class="cr-row">
      <div class="column">2: </div>
      <browser-tabs-metadata-form
          browser-tab-metadata="{{browserTabTwoMetadata_}}">
      </browser-tabs-metadata-form>
    </div>
  </template>
</div>