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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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" |
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146 | 146 |
147 last_origin_ = origin; | 147 last_origin_ = origin; |
148 last_experiment_id_ = experiment; | 148 last_experiment_id_ = experiment; |
149 | 149 |
150 // If we observe multiple tags within the 30 second window, we will still | 150 // If we observe multiple tags within the 30 second window, we will still |
151 // reset the window to begin at the most recent occurrence, so that we will | 151 // reset the window to begin at the most recent occurrence, so that we will |
152 // always be in a window in the 30 seconds from each occurrence. | 152 // always be in a window in the 30 seconds from each occurrence. |
153 last_prerender_seen_time_ = GetCurrentTimeTicks(); | 153 last_prerender_seen_time_ = GetCurrentTimeTicks(); |
154 seen_any_pageload_ = false; | 154 seen_any_pageload_ = false; |
155 seen_pageload_started_after_prerender_ = false; | 155 seen_pageload_started_after_prerender_ = false; |
| 156 } |
156 | 157 |
| 158 void PrerenderHistograms::RecordPrerenderStarted(Origin origin) const { |
157 if (OriginIsOmnibox(origin)) { | 159 if (OriginIsOmnibox(origin)) { |
158 UMA_HISTOGRAM_COUNTS("Prerender.OmniboxPrerenderCount_" + | 160 UMA_HISTOGRAM_COUNTS("Prerender.OmniboxPrerenderCount_" + |
159 GetOmniboxHistogramSuffix(), 1); | 161 GetOmniboxHistogramSuffix(), 1); |
160 } | 162 } |
161 } | 163 } |
162 | 164 |
163 void PrerenderHistograms::RecordUsedPrerender(Origin origin) const { | 165 void PrerenderHistograms::RecordUsedPrerender(Origin origin) const { |
164 if (OriginIsOmnibox(origin)) { | 166 if (OriginIsOmnibox(origin)) { |
165 UMA_HISTOGRAM_COUNTS("Prerender.OmniboxNavigationsUsedPrerenderCount_" + | 167 UMA_HISTOGRAM_COUNTS("Prerender.OmniboxNavigationsUsedPrerenderCount_" + |
166 GetOmniboxHistogramSuffix(), 1); | 168 GetOmniboxHistogramSuffix(), 1); |
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291 return last_origin_; | 293 return last_origin_; |
292 } | 294 } |
293 | 295 |
294 bool PrerenderHistograms::IsOriginExperimentWash() const { | 296 bool PrerenderHistograms::IsOriginExperimentWash() const { |
295 if (!WithinWindow()) | 297 if (!WithinWindow()) |
296 return false; | 298 return false; |
297 return origin_experiment_wash_; | 299 return origin_experiment_wash_; |
298 } | 300 } |
299 | 301 |
300 } // namespace prerender | 302 } // namespace prerender |
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