MD Settings: Storage: Use hidden attribute instead of dom-if binding to hide a row.

chrome/browser/resources/settings/device_page/storage.js

 // Copyright 2016 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-storage' is the settings subpage for storage settings.
  */
 cr.exportPath('settings');
 
@@ skipping 64 matching lines @@
         this.handleDownloadsSizeChanged_.bind(this));
     cr.addWebUIListener(
         'storage-drive-cache-size-changed',
         this.handleDriveCacheSizeChanged_.bind(this));
     cr.addWebUIListener(
         'storage-browsing-data-size-changed',
         this.handleBrowsingDataSizeChanged_.bind(this));
     cr.addWebUIListener(
         'storage-android-size-changed',
         this.handleAndroidSizeChanged_.bind(this));
-    cr.addWebUIListener(
-        'storage-other-users-size-changed',
-        this.handleOtherUsersSizeChanged_.bind(this));
+    if (!this.isGuest_) {
+      cr.addWebUIListener(
+          'storage-other-users-size-changed',
+          this.handleOtherUsersSizeChanged_.bind(this));
+    }
     cr.addWebUIListener(
         'storage-drive-enabled-changed',
         this.handleDriveEnabledChanged_.bind(this));
     cr.addWebUIListener(
         'storage-android-enabled-changed',
         this.handleAndroidEnabledChanged_.bind(this));
   },
 
   /**
    * Overridden from settings.RouteObserverBehavior.
@@ skipping 73 matching lines @@
   handleDownloadsSizeChanged_: function(size) {
     this.$.downloadsSize.textContent = size;
   },
 
   /**
    * @param {string} size Formatted string representing the size of Offline
    *     files.
    * @private
    */
   handleDriveCacheSizeChanged_: function(size) {
-    this.$.driveCacheSize.textContent = size;
+    if (this.driveEnabled_)
+      this.$$('#driveCacheSize').textContent = size;
   },
 
   /**
    * @param {string} size Formatted string representing the size of Browsing
    *     data.
    * @private
    */
   handleBrowsingDataSizeChanged_: function(size) {
     this.$.browsingDataSize.textContent = size;
   },
 
   /**
    * @param {string} size Formatted string representing the size of Android
    *     storage.
    * @private
    */
   handleAndroidSizeChanged_: function(size) {
-    this.$.androidSize.textContent = size;
+    if (this.androidEnabled_)
+      this.$$('#androidSize').textContent = size;
   },
 
   /**
    * @param {string} size Formatted string representing the size of Other users.
    * @private
    */
   handleOtherUsersSizeChanged_: function(size) {
-    this.$.otherUsersSize.textContent = size;
+    if (!this.isGuest_)
+      this.$$('#otherUsersSize').textContent = size;
   },
 
   /**
    * @param {boolean} enabled True if Google Drive is enabled.
    * @private
    */
   handleDriveEnabledChanged_: function(enabled) {
     this.driveEnabled_ = enabled;
   },
 
@@ skipping 63 matching lines @@
     switch (spaceState) {
       case settings.StorageSpaceState.LOW:
         return 'space-low';
       case settings.StorageSpaceState.CRITICALLY_LOW:
         return 'space-critically-low';
       default:
         return '';
     }
   },
 });