Dynamically generate a heading for Extension Docs API pages

tools/json_schema_compiler/model.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 copy
 import os.path
 import re
 
 from json_parse import OrderedDict
 
@@ skipping 22 matching lines @@
                           source_file,
                           include_compiler_options=include_compiler_options)
     self.namespaces[namespace.name] = namespace
     return namespace
 
 class Namespace(object):
   """An API namespace.
 
   Properties:
   - |name| the name of the namespace
+  - |description| the description of the namespace
+  - |availability| describes when the namespace first became available
   - |unix_name| the unix_name of the namespace
   - |source_file| the file that contained the namespace definition
   - |source_file_dir| the directory component of |source_file|
   - |source_file_filename| the filename component of |source_file|
   - |platforms| if not None, the list of platforms that the namespace is
                 available to
   - |types| a map of type names to their model.Type
   - |functions| a map of function names to their model.Function
   - |events| a map of event names to their model.Function
   - |properties| a map of property names to their model.Property
   - |compiler_options| the compiler_options dict, only present if
                        |include_compiler_options| is True
   """
   def __init__(self, json, source_file, include_compiler_options=False):
     self.name = json['namespace']
+    self.description = json.get('description', "")
+    self.availability = json.get('availability', None)
     self.unix_name = UnixName(self.name)
     self.source_file = source_file
     self.source_file_dir, self.source_file_filename = os.path.split(source_file)
     self.parent = None
     self.platforms = _GetPlatforms(json)
     toplevel_origin = Origin(from_client=True, from_json=True)
     self.types = _GetTypes(self, json, self, toplevel_origin)
     self.functions = _GetFunctions(self, json, self)
     self.events = _GetEvents(self, json, self)
     self.properties = _GetProperties(self, json, self, toplevel_origin)
@@ skipping 390 matching lines @@
 def _GetPlatforms(json):
   if 'platforms' not in json:
     return None
   platforms = []
   for platform_name in json['platforms']:
     for platform_enum in _Enum.GetAll(Platforms):
       if platform_name == platform_enum.name:
         platforms.append(platform_enum)
         break
   return platforms