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

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

Index: chrome/common/extensions/docs/server2/servlet.py
===================================================================
--- chrome/common/extensions/docs/server2/servlet.py	(revision 199575)
+++ chrome/common/extensions/docs/server2/servlet.py	(working copy)
@@ -100,6 +100,11 @@
   def SetStatus(self, status):
     self.status = status
 
+  def GetRedirect(self):
+    if self.headers.get('Location') is None:
+      return (None, None)
+    return (self.headers.get('Location'), self.status == 301)
+
   def __repr__(self):
     return 'Response(content=%s bytes, status=%s, headers=%s entries)' % (
         len(self.content), self.status, len(self.headers.keys()))