Add web_dev_style presubmit to ensure <if>/<include> live in comments

chrome/browser/resources/settings/people_page/people_page.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * 'settings-people-page' is the settings page containing sign-in settings.
  */
 Polymer({
   is: 'settings-people-page',
@@ skipping 229 matching lines @@
 
   /**
    * Handler for when the sync state is pushed from the browser.
    * @param {?settings.SyncStatus} syncStatus
    * @private
    */
   handleSyncStatus_: function(syncStatus) {
     if (!this.syncStatus && syncStatus && !syncStatus.signedIn)
       chrome.metricsPrivate.recordUserAction('Signin_Impression_FromSettings');
 
-<if expr="not chromeos">
+// <if expr="not chromeos">
     if (syncStatus.signedIn)
       settings.ProfileInfoBrowserProxyImpl.getInstance().getProfileStatsCount();
-</if>
+// </if>
 
     if (!syncStatus.signedIn && this.$.disconnectDialog.open)
       this.$.disconnectDialog.close();
 
     this.syncStatus = syncStatus;
   },
 
 // <if expr="chromeos">
   /**
    * Handler for when the Easy Unlock enabled status has changed.
@@ skipping 246 matching lines @@
 
   /**
    * @param {!settings.SyncStatus} syncStatus
    * @return {boolean} Whether to show the "Sign in to Chrome" button.
    * @private
    */
   showSignin_: function(syncStatus) {
     return !!syncStatus.signinAllowed && !syncStatus.signedIn;
   },
 });