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1/* Copyright (c) 2012 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 */
5
6/**
7 * This file defines the <code>PPB_UMA_Private</code> interface.
8 */
9label Chrome {
10  M18 = 0.1
11};
12
13/**
14 * Contains functions for plugins to report UMA usage stats.
15 */
16interface PPB_UMA_Private {
17  /**
18   * HistogramCustomTimes is a pointer to a function which records a time
19   * sample given in milliseconds in the histogram given by |name|, possibly
20   * creating the histogram if it does not exist.
21   */
22  void HistogramCustomTimes([in] PP_Var name,
23                            [in] int64_t sample,
24                            [in] int64_t min,
25                            [in] int64_t max,
26                            [in] uint32_t bucket_count);
27
28  /**
29   * HistogramCustomCounts is a pointer to a function which records a sample
30   * in the histogram given by |name|, possibly creating the histogram if it
31   * does not exist.
32   */
33  void HistogramCustomCounts([in] PP_Var name,
34                             [in] int32_t sample,
35                             [in] int32_t min,
36                             [in] int32_t max,
37                             [in] uint32_t bucket_count);
38
39  /**
40   * HistogramEnumeration is a pointer to a function which records a sample
41   * in the histogram given by |name|, possibly creating the histogram if it
42   * does not exist.  The sample represents a value in an enumeration bounded
43   * by |boundary_value|, that is, sample < boundary_value always.
44   */
45  void HistogramEnumeration([in] PP_Var name,
46                            [in] int32_t sample,
47                            [in] int32_t boundary_value);
48};
49