Extensions: Fix DocServer assert failures.

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

 # Copyright (c) 2012 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 logging
 
 from data_source import DataSource
 from docs_server_utils import StringIdentity
 from environment import IsPreviewServer
 from file_system import FileNotFoundError
 from future import All, Future
 from jsc_view import CreateJSCView, GetEventByNameFromEvents
 from platform_util import GetPlatforms
-from third_party.json_schema_compiler.model import UnixName
 
 
 class APIDataSource(DataSource):
   '''This class fetches and loads JSON APIs from the FileSystem passed in with
   |compiled_fs_factory|, so the APIs can be plugged into templates.
   '''
   def __init__(self, server_instance, request):
     file_system = server_instance.host_file_system_provider.GetMaster()
     self._json_cache = server_instance.compiled_fs_factory.ForJson(file_system)
     self._template_cache = server_instance.compiled_fs_factory.ForTemplates(
@@ skipping 58 matching lines @@
     '''
     getter = lambda: 0
     getter.get = lambda api_name: self._GetSchemaView(platform, api_name).Get()
     return getter
 
   def Refresh(self):
     def get_api_schema(platform, api):
       return self._GetSchemaView(platform, api)
 
     def get_platform_schemas(platform):
+      # Internal APIs are an internal implementation detail. Do not pass them to
+      # templates.
       return All([get_api_schema(platform, api)
-                 for api in self._platform_bundle.GetAPIModels(platform)
-                    .GetNames()],
+                  for api in self._platform_bundle.GetAPIModels(platform)
+                  .GetNames()
+                  if self._platform_bundle.GetAPICategorizer(platform)
+                  .GetCategory(api) != 'internal'],
                  except_pass=FileNotFoundError)
 
     return All([get_platform_schemas(platform) for platform in GetPlatforms()])