MD Settings: Hide sections in guest mode

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 31 matching lines @@
       type: Boolean,
       value: false,
     },
 
     /** @private */
     androidEnabled_: {
       type: Boolean,
       value: false,
     },
 
+    /** @private */
+    isGuest_: {
+      type: Boolean,
+      value: function() { return loadTimeData.getBoolean('isGuest'); }
+    },
+
     /** @private {settings.StorageSizeStat} */
     sizeStat_: Object,
   },
 
   /**
    * Timer ID for periodic update.
    * @private {number}
    */
   updateTimerId_: -1,
 
@@ skipping 213 matching lines @@
     switch (spaceState) {
       case settings.StorageSpaceState.LOW:
         return 'space-low';
       case settings.StorageSpaceState.CRITICALLY_LOW:
         return 'space-critically-low';
       default:
         return '';
     }
   },
 });