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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef Histogram_h | 5 #ifndef Histogram_h |
6 #define Histogram_h | 6 #define Histogram_h |
7 | 7 |
| 8 #include <stdint.h> |
8 #include "base/metrics/histogram_base.h" | 9 #include "base/metrics/histogram_base.h" |
9 #include "base/metrics/histogram_macros.h" | 10 #include "base/metrics/histogram_macros.h" |
10 #include "platform/PlatformExport.h" | 11 #include "platform/PlatformExport.h" |
11 #include "wtf/CurrentTime.h" | 12 #include "wtf/CurrentTime.h" |
12 #include <stdint.h> | |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 class HistogramBase; | 15 class HistogramBase; |
16 }; | 16 }; |
17 | 17 |
18 namespace blink { | 18 namespace blink { |
19 | 19 |
20 class PLATFORM_EXPORT CustomCountHistogram { | 20 class PLATFORM_EXPORT CustomCountHistogram { |
21 public: | 21 public: |
22 CustomCountHistogram(const char* name, | 22 CustomCountHistogram(const char* name, |
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78 // This macro records all times between 0us and 10 seconds. | 78 // This macro records all times between 0us and 10 seconds. |
79 // Do not change this macro without renaming all metrics that use it! | 79 // Do not change this macro without renaming all metrics that use it! |
80 #define SCOPED_BLINK_UMA_HISTOGRAM_TIMER(name) \ | 80 #define SCOPED_BLINK_UMA_HISTOGRAM_TIMER(name) \ |
81 DEFINE_STATIC_LOCAL(CustomCountHistogram, scopedUsCounter, \ | 81 DEFINE_STATIC_LOCAL(CustomCountHistogram, scopedUsCounter, \ |
82 (name, 0, 10000000, 50)); \ | 82 (name, 0, 10000000, 50)); \ |
83 ScopedUsHistogramTimer timer(scopedUsCounter); | 83 ScopedUsHistogramTimer timer(scopedUsCounter); |
84 | 84 |
85 } // namespace blink | 85 } // namespace blink |
86 | 86 |
87 #endif // Histogram_h | 87 #endif // Histogram_h |
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