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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 #include "chrome/browser/metrics/tracking_synchronizer.h" | 5 #include "chrome/browser/metrics/tracking_synchronizer.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
9 #include "base/process_util.h" | |
10 #include "base/threading/thread.h" | 9 #include "base/threading/thread.h" |
11 #include "base/tracked_objects.h" | 10 #include "base/tracked_objects.h" |
12 #include "chrome/browser/metrics/tracking_synchronizer_observer.h" | 11 #include "chrome/browser/metrics/tracking_synchronizer_observer.h" |
13 #include "content/public/browser/browser_thread.h" | 12 #include "content/public/browser/browser_thread.h" |
14 #include "content/public/browser/profiler_controller.h" | 13 #include "content/public/browser/profiler_controller.h" |
15 #include "content/public/common/process_type.h" | 14 #include "content/public/common/process_type.h" |
16 | 15 |
17 using base::TimeTicks; | 16 using base::TimeTicks; |
18 using content::BrowserThread; | 17 using content::BrowserThread; |
19 | 18 |
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289 | 288 |
290 ++last_used_sequence_number_; | 289 ++last_used_sequence_number_; |
291 | 290 |
292 // Watch out for wrapping to a negative number. | 291 // Watch out for wrapping to a negative number. |
293 if (last_used_sequence_number_ < 0) | 292 if (last_used_sequence_number_ < 0) |
294 last_used_sequence_number_ = 1; | 293 last_used_sequence_number_ = 1; |
295 return last_used_sequence_number_; | 294 return last_used_sequence_number_; |
296 } | 295 } |
297 | 296 |
298 } // namespace chrome_browser_metrics | 297 } // namespace chrome_browser_metrics |
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