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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 #include "content/browser/media/audible_metrics.h" | 5 #include "content/browser/media/audible_metrics.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/metrics/histogram_macros.h" | 9 #include "base/metrics/histogram_macros.h" |
10 #include "base/metrics/user_metrics.h" | |
11 #include "base/time/default_tick_clock.h" | 10 #include "base/time/default_tick_clock.h" |
12 | 11 |
13 namespace content { | 12 namespace content { |
14 | 13 |
15 AudibleMetrics::AudibleMetrics() | 14 AudibleMetrics::AudibleMetrics() |
16 : max_concurrent_audible_web_contents_in_session_(0), | 15 : max_concurrent_audible_web_contents_in_session_(0), |
17 clock_(new base::DefaultTickClock()) { | 16 clock_(new base::DefaultTickClock()) { |
18 } | 17 } |
19 | 18 |
20 AudibleMetrics::~AudibleMetrics() { | 19 AudibleMetrics::~AudibleMetrics() { |
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69 base::TimeDelta concurrent_total_time = | 68 base::TimeDelta concurrent_total_time = |
70 clock_->NowTicks() - concurrent_web_contents_start_time_; | 69 clock_->NowTicks() - concurrent_web_contents_start_time_; |
71 concurrent_web_contents_start_time_ = base::TimeTicks(); | 70 concurrent_web_contents_start_time_ = base::TimeTicks(); |
72 | 71 |
73 UMA_HISTOGRAM_LONG_TIMES("Media.Audible.ConcurrentTabsTime", | 72 UMA_HISTOGRAM_LONG_TIMES("Media.Audible.ConcurrentTabsTime", |
74 concurrent_total_time); | 73 concurrent_total_time); |
75 } | 74 } |
76 } | 75 } |
77 | 76 |
78 } // namespace content | 77 } // namespace content |
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