| OLD | NEW |
| 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, |
| (...skipping 81 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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 |
| OLD | NEW |