Lazily load extension API schemas

tools/json_schema_compiler/preview.py

 #!/usr/bin/env python
 
 # 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.
 """Server for viewing the compiled C++ code from tools/json_schema_compiler.
 """
 
 import cc_generator
 import code
+import compiler
 import cpp_type_generator
 import cpp_util
 import h_generator
 import idl_schema
 import json_schema
 import model
 import optparse
 import os
 import sys
 import urlparse
@@ skipping 183 matching lines @@
 
     request_path = self._GetRequestPath(parsed_url)
     (file_root, file_ext) = os.path.splitext(request_path)
     (filedir, filename) = os.path.split(file_root)
 
     try:
       # Get main file.
       (api_def, file_path) = self._LoadModel(filedir, filename)
       namespace = api_model.AddNamespace(api_def, file_path)
       type_generator = cpp_type_generator.CppTypeGenerator(
-         'previewserver::api', namespace, namespace.unix_name)
+           namespace,
+           compiler.TypeNamespaceResolver(filedir),
+           namespace.unix_name)
 
       # Get the model's dependencies.
       for dependency in api_def.get('dependencies', []):
         # Dependencies can contain : in which case they don't refer to APIs,
         # rather, permissions or manifest keys.
         if ':' in dependency:
           continue
         (api_def, file_path) = self._LoadModel(filedir, dependency)
         referenced_namespace = api_model.AddNamespace(api_def, file_path)
         if referenced_namespace:
@@ skipping 127 matching lines @@
       highlighters['pygments'] = pygments_highlighter.PygmentsHighlighter()
     except ImportError as e:
       pass
 
     server = PreviewHTTPServer(('', int(opts.port)),
                                CompilerHandler,
                                highlighters)
     server.serve_forever()
   except KeyboardInterrupt:
     server.socket.close()