Docserver: there is only one.

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

 # Copyright 2013 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.
 
 import os
 import sys
 
 from render_servlet import RenderServlet
 from server_instance import ServerInstance
 from servlet import Request
 
 class _LocalRenderServletDelegate(object):
-  def CreateServerInstanceForChannel(self, channel):
+  def CreateServerInstance(self):
     return ServerInstance.ForLocal()
 
 class LocalRenderer(object):
   '''Renders pages fetched from the local file system.
   '''
   @staticmethod
   def Render(path):
     assert not '\\' in path
-    def render_path(path):
-      return RenderServlet(Request(path, 'http://localhost', {}),
-                           _LocalRenderServletDelegate(),
-                           default_channel='trunk').Get()
-    response = render_path(path)
-    while response.status in [301, 302]:
-      redirect = response.headers['Location']
-      sys.stderr.write('<!-- Redirected %s to %s -->\n' % (path, redirect))
-      response = render_path(redirect)
-    return response
+    return RenderServlet(Request.ForTest(path),
+                         _LocalRenderServletDelegate()).Get()