Mojo: Mojom parser: Make |module| use an |identifier_wrapped|.

mojo/public/tools/bindings/pylib/mojom/parse/translate.py

 # Copyright 2014 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.
 
 """Translates parse tree to Mojom IR."""
 
 
 import ast
 import re
 
@@ skipping 102 matching lines @@
   enum['fields'] = _MapTree(MapEnumField, tree[2], 'ENUM_VALUE')
   return enum
 
 def _MapConstant(tree):
   constant = {}
   constant['name'] = tree[2]
   constant['kind'] = _MapKind(tree[1])
   constant['value'] = tree[3]
   return constant
 
-def _MapModule(tree, name):
-  mojom = {}
-  mojom['name'] = name
-  mojom['namespace'] = tree[1]
-  mojom['attributes'] = _AttributeListToDict(tree[2])
-  mojom['structs'] = _MapTree(_MapStruct, tree[3], 'STRUCT')
-  mojom['interfaces'] = _MapTree(_MapInterface, tree[3], 'INTERFACE')
-  mojom['enums'] = _MapTree(_MapEnum, tree[3], 'ENUM')
-  mojom['constants'] = _MapTree(_MapConstant, tree[3], 'CONST')
-  return mojom
-
 def _MapImport(tree):
   import_item = {}
   import_item['filename'] = tree[1]
   return import_item
 
 
 class _MojomBuilder(object):
   def __init__(self):
     self.mojom = {}
 
   def Build(self, tree, name):
-    modules = [_MapModule(item, name) for item in tree if item[0] == 'MODULE']
+    def MapModule(tree, name):
+      assert tree[1] is None or tree[1][0] == 'IDENTIFIER'
+      mojom = {}
+      mojom['name'] = name
+      mojom['namespace'] = '' if not tree[1] else tree[1][1]
+      mojom['attributes'] = _AttributeListToDict(tree[2])
+      mojom['structs'] = _MapTree(_MapStruct, tree[3], 'STRUCT')
+      mojom['interfaces'] = _MapTree(_MapInterface, tree[3], 'INTERFACE')
+      mojom['enums'] = _MapTree(_MapEnum, tree[3], 'ENUM')
+      mojom['constants'] = _MapTree(_MapConstant, tree[3], 'CONST')
+      return mojom
+
+    modules = [MapModule(item, name) for item in tree if item[0] == 'MODULE']
     if len(modules) != 1:
       raise Exception('A mojom file must contain exactly 1 module.')
     self.mojom = modules[0]
     self.mojom['imports'] = _MapTree(_MapImport, tree, 'IMPORT')
     return self.mojom
 
 
 def Translate(tree, name):
   return _MojomBuilder().Build(tree, name)