[WIP] Provided file system from NACL.

ui/file_manager/file_manager/background/js/volume_manager.js

 // Copyright (c) 2012 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.
 
 /**
  * Represents each volume, such as "drive", "download directory", each "USB
  * flush storage", or "mounted zip archive" etc.
  *
  * @constructor
  * @struct
@@ skipping 358 matching lines @@
  * @const
  * @private
  */
 volumeManagerUtil.volumeListOrder_ = [
   VolumeManagerCommon.VolumeType.DRIVE,
   VolumeManagerCommon.VolumeType.DOWNLOADS,
   VolumeManagerCommon.VolumeType.ARCHIVE,
   VolumeManagerCommon.VolumeType.REMOVABLE,
   VolumeManagerCommon.VolumeType.MTP,
   VolumeManagerCommon.VolumeType.PROVIDED,
+  VolumeManagerCommon.VolumeType.PLUGIN_PROVIDED,
 ];
 
 /**
  * Orders two volumes by volumeType and volumeId.
  *
  * The volumes at first are compared by volume type in the order of
  * volumeListOrder_.  Then they are compared by volume ID.
  *
  * @param {!VolumeInfo} volumeInfo1 Volume info to be compared.
  * @param {!VolumeInfo} volumeInfo2 Volume info to be compared.
@@ skipping 567 matching lines @@
         break;
       case VolumeManagerCommon.VolumeType.ARCHIVE:
         rootType = VolumeManagerCommon.RootType.ARCHIVE;
         break;
       case VolumeManagerCommon.VolumeType.MTP:
         rootType = VolumeManagerCommon.RootType.MTP;
         break;
       case VolumeManagerCommon.VolumeType.PROVIDED:
         rootType = VolumeManagerCommon.RootType.PROVIDED;
         break;
+      case VolumeManagerCommon.VolumeType.PLUGIN_PROVIDED:
+        rootType = VolumeManagerCommon.RootType.PLUGIN_PROVIDED;
+        break;
       default:
         // Programming error, throw an exception.
         throw new Error('Invalid volume type: ' + volumeInfo.volumeType);
     }
     isReadOnly = volumeInfo.isReadOnly;
     isRootEntry = util.isSameEntry(entry, volumeInfo.fileSystem.root);
   }
 
   return new EntryLocation(volumeInfo, rootType, isRootEntry, isReadOnly);
 };
@@ skipping 144 matching lines @@
       this.isDriveBased;
 
   /**
    * Whether the entry is read only or not.
    * @type {boolean}
    */
   this.isReadOnly = isReadOnly;
 
   Object.freeze(this);
 }