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Side by Side Diff: components/scheduler/base/task_time_tracker.h

Issue 1898233002: Report expected task queueing time via UMA (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: RenderSchedulerImpl owns all the things. Created 4 years, 5 months ago
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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
3 // found in the LICENSE file.
4
5 #ifndef CONTENT_RENDERER_SCHEDULER_BASE_TASK_TIME_TRACKER_H_
6 #define CONTENT_RENDERER_SCHEDULER_BASE_TASK_TIME_TRACKER_H_
7
8 #include <memory>
9 #include <vector>
10
11 #include "base/macros.h"
12 #include "base/time/default_tick_clock.h"
13 #include "base/time/time.h"
14 #include "components/scheduler/base/queueing_time_estimator.h"
15 #include "components/scheduler/scheduler_export.h"
16
17 namespace scheduler {
18
19 class SCHEDULER_EXPORT TaskTimeTracker {
Sami 2016/07/06 10:08:29 Is there a reason to keep TaskTimeTracker and Task
tdresser 2016/07/06 13:25:34 Done.
20 public:
21 class SCHEDULER_EXPORT Observer {
alex clarke (OOO till 29th) 2016/07/06 09:51:39 Nit: DISALLOW_COPY_AND_ASSIGN(Observer)
tdresser 2016/07/06 13:25:34 No longer needed.
22 public:
23 virtual void ReportTaskTime(base::TimeTicks start_time,
24 base::TimeTicks end_time) = 0;
25 virtual ~Observer() {}
26 };
27
28 TaskTimeTracker(Observer* observer);
alex clarke (OOO till 29th) 2016/07/06 09:51:39 nit: explicit
tdresser 2016/07/06 13:25:34 No longer needed.
29 ~TaskTimeTracker();
30
31 void ReportTaskTime(base::TimeTicks startTime, base::TimeTicks endTime);
32
33 private:
34 // Not owned.
35 Observer* observer_;
36
37 DISALLOW_COPY_AND_ASSIGN(TaskTimeTracker);
38 };
39
40 } // namespace scheduler
41
42 #endif // CONTENT_RENDERER_SCHEDULER_BASE_TASK_TIME_TRACKER_H_
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