Dynamically generate a heading for Extension Docs API pages

chrome/common/extensions/docs/server2/test_branch_utility.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.
 
 from branch_utility import BranchUtility
 
 class TestBranchUtility(object):
   '''Mimics BranchUtility to return valid-ish data without needing omahaproxy
   data.
   '''
-  def GetBranchForChannel(self, channel_name):
-    return channel_name
+  def GetChannelInfo(self, channel_name):
+    class TestChannelInfo(object):
+      def __init__(self, name, branch, version):
+        self.name = name
+        self.branch = branch
+        self.version = version
+
+    return TestChannelInfo(channel_name, 0, 0)