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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 //------------------------------------------------------------------------------ | 5 //------------------------------------------------------------------------------ |
6 // Description of the life cycle of a instance of MetricsService. | 6 // Description of the life cycle of a instance of MetricsService. |
7 // | 7 // |
8 // OVERVIEW | 8 // OVERVIEW |
9 // | 9 // |
10 // A MetricsService instance is typically created at application startup. It | 10 // A MetricsService instance is typically created at application startup. It |
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150 #include "chrome/browser/metrics/metrics_service.h" | 150 #include "chrome/browser/metrics/metrics_service.h" |
151 | 151 |
152 #include <algorithm> | 152 #include <algorithm> |
153 | 153 |
154 #include "base/bind.h" | 154 #include "base/bind.h" |
155 #include "base/callback.h" | 155 #include "base/callback.h" |
156 #include "base/command_line.h" | 156 #include "base/command_line.h" |
157 #include "base/guid.h" | 157 #include "base/guid.h" |
158 #include "base/md5.h" | 158 #include "base/md5.h" |
159 #include "base/metrics/histogram.h" | 159 #include "base/metrics/histogram.h" |
160 #include "base/metrics/sparse_histogram.h" | |
Ilya Sherman
2013/02/21 05:36:06
nit: Doesn't seem like this is needed.
kaiwang
2013/02/27 04:39:42
Done.
| |
160 #include "base/metrics/statistics_recorder.h" | 161 #include "base/metrics/statistics_recorder.h" |
161 #include "base/rand_util.h" | 162 #include "base/rand_util.h" |
162 #include "base/string_number_conversions.h" | 163 #include "base/string_number_conversions.h" |
163 #include "base/threading/platform_thread.h" | 164 #include "base/threading/platform_thread.h" |
164 #include "base/threading/thread.h" | 165 #include "base/threading/thread.h" |
165 #include "base/threading/thread_restrictions.h" | 166 #include "base/threading/thread_restrictions.h" |
166 #include "base/tracked_objects.h" | 167 #include "base/tracked_objects.h" |
167 #include "base/utf_string_conversions.h" | 168 #include "base/utf_string_conversions.h" |
168 #include "base/values.h" | 169 #include "base/values.h" |
169 #include "chrome/browser/autocomplete/autocomplete_log.h" | 170 #include "chrome/browser/autocomplete/autocomplete_log.h" |
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1942 if (local_state) { | 1943 if (local_state) { |
1943 const PrefService::Preference* uma_pref = | 1944 const PrefService::Preference* uma_pref = |
1944 local_state->FindPreference(prefs::kMetricsReportingEnabled); | 1945 local_state->FindPreference(prefs::kMetricsReportingEnabled); |
1945 if (uma_pref) { | 1946 if (uma_pref) { |
1946 bool success = uma_pref->GetValue()->GetAsBoolean(&result); | 1947 bool success = uma_pref->GetValue()->GetAsBoolean(&result); |
1947 DCHECK(success); | 1948 DCHECK(success); |
1948 } | 1949 } |
1949 } | 1950 } |
1950 return result; | 1951 return result; |
1951 } | 1952 } |
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