chrome/browser/metrics/time_ticks_experiment_win.h - Issue 2615753002: Remove time ticks metrics and MetricServiceClient::OnLogUploadComplete

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Side by Side Diff: chrome/browser/metrics/time_ticks_experiment_win.h

Issue 2615753002: Remove time ticks metrics and MetricServiceClient::OnLogUploadComplete (Closed)

Patch Set: Rebase Created 3 years, 11 months ago

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1 // Copyright (c) 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

5 #ifndef CHROME_BROWSER_METRICS_TIME_TICKS_EXPERIMENT_WIN_H_

6 #define CHROME_BROWSER_METRICS_TIME_TICKS_EXPERIMENT_WIN_H_

7

8 #include "build/build_config.h"

9

10 #if defined(OS_WIN)

11

12 namespace chrome {

13

14 // Runs an experiment once per session upon successful upload of UMA. Determines

15 // if QueryPerformanceCounter() is safe to use generally on this system. Ensures

16 // that the resolution is better than 1ms, returns quickly, and is monotonically

17 // increasing. Records the results in UMA for the next upload.

18 void CollectTimeTicksStats();

19

20 } // namespace chrome

21

22 #endif // defined(OS_WIN)

23

24 #endif // CHROME_BROWSER_METRICS_TIME_TICKS_EXPERIMENT_WIN_H_

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