Docserver: Add support for viewing docs with a codereview patch applied

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

Index: chrome/common/extensions/docs/server2/handler.py
===================================================================
--- chrome/common/extensions/docs/server2/handler.py	(revision 197821)
+++ chrome/common/extensions/docs/server2/handler.py	(working copy)
@@ -5,10 +5,12 @@
 from appengine_wrappers import webapp
 from cron_servlet import CronServlet
 from render_servlet import RenderServlet
+from patch_servlet import PatchServlet
 from servlet import Request
 
 _SERVLETS = {
   'cron': CronServlet,
+  'patch': PatchServlet,
 }
 
 class Handler(webapp.RequestHandler):
@@ -54,10 +56,6 @@
                                self.request,
                                self.response)
 
-    if path in ['favicon.ico', 'robots.txt']:
-      response.set_status(404)
-      return
-
     if self._RedirectSpecialCases(path):
       return
     if self._RedirectFromCodeDotGoogleDotCom(path):