docserver: Adds "API scheduled for Chrome version..." text to dev and beta APIs

chrome/common/extensions/docs/server2/whats_new_data_source.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 itertools import groupby
 from operator import itemgetter
 import posixpath
 
 from data_source import DataSource
 from extensions_paths import JSON_TEMPLATES, PUBLIC_TEMPLATES
@@ skipping 18 matching lines @@
       'id': change_id,
       'type': change['type'],
       'description': change['description'],
       'version': change['version']
     } for change_id, change in whats_new_json.iteritems()]
 
   def _GetApiVersion(self, platform, api_name):
     version = None
     category = self._api_categorizer.GetCategory(platform, api_name)
     if category == 'chrome':
-      channel_info = self._availability_finder.GetApiAvailability(api_name)
+      channel_info = self._availability_finder.GetApiAvailability(
+          api_name).channel_info
       channel = channel_info.channel
       if channel == 'stable':
         version = channel_info.version
     return version
 
   def _GenerateApiListWithVersion(self, platform):
     data = []
     for api_name, api_model in self._api_models.IterModels():
       version = self._GetApiVersion(platform, api_name)
       if version:
@@ skipping 41 matching lines @@
     if data is None:
       data = self._GenerateWhatsNewDict().Get()
       self._object_store.Set('whats_new_data', data)
     return data
 
   def get(self, key):
     return self._GetCachedWhatsNewData().get(key)
 
   def Cron(self):
     return self._GenerateWhatsNewDict()