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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "components/network_time/network_time_tracker.h" | 5 #include "components/network_time/network_time_tracker.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include <stdint.h> |
| 8 |
8 #include "base/i18n/time_formatting.h" | 9 #include "base/i18n/time_formatting.h" |
9 #include "base/logging.h" | 10 #include "base/logging.h" |
10 #include "base/prefs/pref_registry_simple.h" | 11 #include "base/prefs/pref_registry_simple.h" |
11 #include "base/prefs/pref_service.h" | 12 #include "base/prefs/pref_service.h" |
12 #include "base/strings/utf_string_conversions.h" | 13 #include "base/strings/utf_string_conversions.h" |
13 #include "base/time/tick_clock.h" | 14 #include "base/time/tick_clock.h" |
| 15 #include "build/build_config.h" |
14 #include "components/network_time/network_time_pref_names.h" | 16 #include "components/network_time/network_time_pref_names.h" |
15 | 17 |
16 namespace network_time { | 18 namespace network_time { |
17 | 19 |
18 namespace { | 20 namespace { |
19 | 21 |
20 // Clock resolution is platform dependent. | 22 // Clock resolution is platform dependent. |
21 #if defined(OS_WIN) | 23 #if defined(OS_WIN) |
22 const int64 kTicksResolutionMs = base::Time::kMinLowResolutionThresholdMs; | 24 const int64_t kTicksResolutionMs = base::Time::kMinLowResolutionThresholdMs; |
23 #else | 25 #else |
24 const int64 kTicksResolutionMs = 1; // Assume 1ms for non-windows platforms. | 26 const int64_t kTicksResolutionMs = 1; // Assume 1ms for non-windows platforms. |
25 #endif | 27 #endif |
26 | 28 |
27 // Number of time measurements performed in a given network time calculation. | 29 // Number of time measurements performed in a given network time calculation. |
28 const int kNumTimeMeasurements = 5; | 30 const int kNumTimeMeasurements = 5; |
29 | 31 |
30 } // namespace | 32 } // namespace |
31 | 33 |
32 // static | 34 // static |
33 void NetworkTimeTracker::RegisterPrefs(PrefRegistrySimple* registry) { | 35 void NetworkTimeTracker::RegisterPrefs(PrefRegistrySimple* registry) { |
34 registry->RegisterDictionaryPref(prefs::kNetworkTimeMapping, | 36 registry->RegisterDictionaryPref(prefs::kNetworkTimeMapping, |
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116 if (network_time_.is_null()) | 118 if (network_time_.is_null()) |
117 return false; | 119 return false; |
118 DCHECK(!network_time_ticks_.is_null()); | 120 DCHECK(!network_time_ticks_.is_null()); |
119 *network_time = network_time_ + (time_ticks - network_time_ticks_); | 121 *network_time = network_time_ + (time_ticks - network_time_ticks_); |
120 if (uncertainty) | 122 if (uncertainty) |
121 *uncertainty = network_time_uncertainty_; | 123 *uncertainty = network_time_uncertainty_; |
122 return true; | 124 return true; |
123 } | 125 } |
124 | 126 |
125 } // namespace network_time | 127 } // namespace network_time |
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