1# Copyright 2013 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5DEFAULT = 'default'
6UNIMPORTANT = 'unimportant'
7HISTOGRAM = 'histogram'
8UNIMPORTANT_HISTOGRAM = 'unimportant-histogram'
9INFORMATIONAL = 'informational'
10
11ALL_TYPES = [DEFAULT, UNIMPORTANT, HISTOGRAM, UNIMPORTANT_HISTOGRAM,
12             INFORMATIONAL]
13
14
15def IsValidType(datatype):
16  return datatype in ALL_TYPES
17
18
19def IsHistogram(datatype):
20  return datatype == HISTOGRAM or datatype == UNIMPORTANT_HISTOGRAM
21