Docserver: make file_system a property of Create

chrome/common/extensions/docs/server2/file_system.py

 # 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.
 
 from future import Gettable, Future
 
 
 class FileNotFoundError(Exception):
   '''Raised when a file isn't found for read or stat.
   '''
@@ skipping 110 matching lines @@
 
       yield root[len(basepath):].rstrip('/'), dirs, files
 
       for d in dirs:
         for walkinfo in walk(root + d):
           yield walkinfo
 
     for walkinfo in walk(root):
       yield walkinfo
 
-  def GetDebugString(self):
-    return ''
-
   def __repr__(self):
-    return '<%s%s>' % (self.__class__.__name__, self.GetDebugString())
+    return '<%s>' % type(self).__name__
 
   def __str__(self):
     return repr(self)