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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/prerender/prerender_histograms.h" | 5 #include "chrome/browser/prerender/prerender_histograms.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/metrics/field_trial.h" | 9 #include "base/metrics/field_trial.h" |
10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
11 #include "base/stringprintf.h" | 11 #include "base/stringprintf.h" |
12 #include "chrome/browser/predictors/autocomplete_action_predictor.h" | 12 #include "chrome/browser/predictors/autocomplete_action_predictor.h" |
13 #include "chrome/browser/prerender/prerender_field_trial.h" | 13 #include "chrome/browser/prerender/prerender_field_trial.h" |
14 #include "chrome/browser/prerender/prerender_manager.h" | 14 #include "chrome/browser/prerender/prerender_manager.h" |
15 #include "chrome/browser/prerender/prerender_util.h" | 15 #include "chrome/browser/prerender/prerender_util.h" |
16 | 16 |
| 17 using predictors::AutocompleteActionPredictor; |
| 18 |
17 namespace prerender { | 19 namespace prerender { |
18 | 20 |
19 namespace { | 21 namespace { |
20 | 22 |
21 // Time window for which we will record windowed PLT's from the last | 23 // Time window for which we will record windowed PLT's from the last |
22 // observed link rel=prefetch tag. | 24 // observed link rel=prefetch tag. |
23 const int kWindowDurationSeconds = 30; | 25 const int kWindowDurationSeconds = 30; |
24 | 26 |
25 std::string ComposeHistogramName(const std::string& prefix_type, | 27 std::string ComposeHistogramName(const std::string& prefix_type, |
26 const std::string& name) { | 28 const std::string& name) { |
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367 return last_origin_; | 369 return last_origin_; |
368 } | 370 } |
369 | 371 |
370 bool PrerenderHistograms::IsOriginExperimentWash() const { | 372 bool PrerenderHistograms::IsOriginExperimentWash() const { |
371 if (!WithinWindow()) | 373 if (!WithinWindow()) |
372 return false; | 374 return false; |
373 return origin_experiment_wash_; | 375 return origin_experiment_wash_; |
374 } | 376 } |
375 | 377 |
376 } // namespace prerender | 378 } // namespace prerender |
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