Update mojo sdk to rev e083961bf11fd0c94d40be8853761da529b6d444

mojo/public/tools/bindings/generators/python_templates/module_macros.tmpl

 # 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.
 
 {%- macro enum_values(enum) -%}
 [
 {% for field in enum.fields %}
   ('{{field.name}}', {{field.computed_value}}),
 {% endfor %}
 ]
 {%- endmacro -%}
+
+{%- macro struct_descriptor(struct) -%}
+{
+{% if struct.constants %}
+  'constants': {
+{%   for constant in struct.constants %}
+    '{{constant|name}}': {{constant.value|expression_to_text}},
+{%   endfor %}
+  },
+{% endif %}
+{% if struct.enums %}
+  'enums': {
+{%   for enum in struct.enums %}
+    '{{enum|name}}': {{enum_values(enum)|indent(6)}},
+{%   endfor %}
+  },
+{% endif %}
+{% if struct.fields %}
+  'fields': [
+{%  for byte in struct.bytes %}
+{%    if byte.packed_fields %}
+    {{byte|field_group}},
+{%    endif %}
+{% endfor %}
+  ],
+{% endif %}
+}
+{%- endmacro -%}