Extensions Docs Server: Preserve JSON declaration order in extensions documentation

tools/json_schema_compiler/json_schema.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 json
-import os.path
+import os
 import sys
 
-_script_path = os.path.realpath(__file__)
-sys.path.insert(0, os.path.normpath(_script_path + "/../../"))
-import json_comment_eater
+from json_parse import OrderedDict, Parse
 import schema_util
 
 def DeleteNocompileNodes(item):
   def HasNocompile(thing):
-    return type(thing) == dict and thing.get('nocompile', False)
+    return (isinstance(thing, (dict, OrderedDict)) and
+            thing.get('nocompile', False))
 
-  if type(item) == dict:
+  if isinstance(item, (dict, OrderedDict)):
     toDelete = []
     for key, value in item.items():
       if HasNocompile(value):
         toDelete.append(key)
       else:
         DeleteNocompileNodes(value)
     for key in toDelete:
       del item[key]
   elif type(item) == list:
     item[:] = [DeleteNocompileNodes(thing)
         for thing in item if not HasNocompile(thing)]
 
   return item
 
 def Load(filename):
   with open(filename, 'r') as handle:
-    schemas = json.loads(json_comment_eater.Nom(handle.read()))
+    schemas = Parse(handle.read())
   schema_util.PrefixSchemasWithNamespace(schemas)
   return schemas
 
 # A dictionary mapping |filename| to the object resulting from loading the JSON
 # at |filename|.
 _cache = {}
 
 def CachedLoad(filename):
   """Equivalent to Load(filename), but caches results for subsequent calls"""
   if filename not in _cache:
     _cache[filename] = Load(filename)
   # Return a copy of the object so that any changes a caller makes won't affect
   # the next caller.
   return copy.deepcopy(_cache[filename])