chrome/browser/resources/options/sync_section.html

<if expr="not chromeos">
<section id="sync-section">
  <h3 i18n-content="sectionTitleSync"></h3>
</if>
<if expr="chromeos">
<div id="sync-section">
</if>

  <div id="sync-overview" class="settings-row" hidden>
    <p i18n-content="syncOverview"></p>
    <a i18n-values="href:syncLearnMoreURL" i18n-content="learnMore"
        target="_blank"></a>
  </div>

<if expr="chromeos">
  <div id="account-picture-wrapper">
    <div id="account-picture-control">
      <input type="image" id="account-picture" tabindex="0"
          alt="" i18n-values="aria-label:changePicture">
      <div id="change-picture-caption" i18n-content="changePicture"></div>
    </div>
    <span id="account-picture-indicator" class="controlled-setting-indicator">
    </span>
  </div>
  <div id="sync-general">
</if>  <!-- chromeos -->

    <div id="sync-status" class="settings-row" hidden>
      <span id="sync-status-text"></span>
      <a is="action-link" id="sync-action-link"></a>
    </div>

<if expr="chromeos">
    <div class="checkbox controlled-setting-with-label"
        public-account-visibility="hidden">
      <label>
        <input type="checkbox"
            metric="Options_ScreenLock"
            pref="settings.enable_screen_lock">
       <span>
         <span i18n-content="enableScreenlock"></span>
         <span class="controlled-setting-indicator"
            i18n-values="textshared:screenLockShared"
            pref="settings.enable_screen_lock"></span>
       </span>
      </label>
    </div>
  </div>
</if>  <!-- chromeos -->

  <div id="sync-buttons" class="settings-row">
    <button id="start-stop-sync" hidden></button>
    <span id="start-stop-sync-indicator"
        class="controlled-setting-indicator" hidden>
    </span>
    <button id="customize-sync" i18n-content="customizeSync"
        pref="sync.managed" hidden>
    </button>
<if expr="chromeos">
    <button id="manage-accounts-button"
        public-account-visibility="hidden"
        i18n-content="manageAccountsButtonTitle">
    </button>
</if>  <!-- chromeos -->
  </div>

<if expr="not chromeos">
</section>
</if>
<if expr="chromeos">
</div>
</if>