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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 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_HISTOGRAMS_H_ | 5 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_HISTOGRAMS_H_ |
6 #define CHROME_BROWSER_PRERENDER_PRERENDER_HISTOGRAMS_H_ | 6 #define CHROME_BROWSER_PRERENDER_PRERENDER_HISTOGRAMS_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/time.h" | 10 #include "base/time.h" |
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67 FinalStatus final_status) const; | 67 FinalStatus final_status) const; |
68 | 68 |
69 // To be called when a new prerender is added. | 69 // To be called when a new prerender is added. |
70 void RecordPrerender(Origin origin, const GURL& url); | 70 void RecordPrerender(Origin origin, const GURL& url); |
71 | 71 |
72 // To be called when a new prerender is started. | 72 // To be called when a new prerender is started. |
73 void RecordPrerenderStarted(Origin origin) const; | 73 void RecordPrerenderStarted(Origin origin) const; |
74 | 74 |
75 // To be called when we know how many prerenders are running after starting | 75 // To be called when we know how many prerenders are running after starting |
76 // a prerender. | 76 // a prerender. |
77 void RecordConcurrency(size_t prerender_count, size_t max_concurrency) const; | 77 void RecordConcurrency(size_t prerender_count) const; |
78 | 78 |
79 // Called when we swap in a prerender. | 79 // Called when we swap in a prerender. |
80 void RecordUsedPrerender(Origin origin) const; | 80 void RecordUsedPrerender(Origin origin) const; |
81 | 81 |
82 // Record the time since a page was recently visited. | 82 // Record the time since a page was recently visited. |
83 void RecordTimeSinceLastRecentVisit(Origin origin, | 83 void RecordTimeSinceLastRecentVisit(Origin origin, |
84 base::TimeDelta time) const; | 84 base::TimeDelta time) const; |
85 | 85 |
86 // Record a percentage of pixels of the final page already in place at | 86 // Record a percentage of pixels of the final page already in place at |
87 // swap-in. | 87 // swap-in. |
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126 // start recording events before the first prerender occurs. | 126 // start recording events before the first prerender occurs. |
127 bool seen_any_pageload_; | 127 bool seen_any_pageload_; |
128 bool seen_pageload_started_after_prerender_; | 128 bool seen_pageload_started_after_prerender_; |
129 | 129 |
130 DISALLOW_COPY_AND_ASSIGN(PrerenderHistograms); | 130 DISALLOW_COPY_AND_ASSIGN(PrerenderHistograms); |
131 }; | 131 }; |
132 | 132 |
133 } // namespace prerender | 133 } // namespace prerender |
134 | 134 |
135 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_HISTOGRAMS_H_ | 135 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_HISTOGRAMS_H_ |
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