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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 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_PAGE_LOAD_METRICS_OBSERVERS_RESOURCE_PREFETCH_PREDICTOR_P
AGE_LOAD_METRICS_OBSERVER_H_ | 5 #ifndef CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_RESOURCE_PREFETCH_PREDICTOR_P
AGE_LOAD_METRICS_OBSERVER_H_ |
6 #define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_RESOURCE_PREFETCH_PREDICTOR_P
AGE_LOAD_METRICS_OBSERVER_H_ | 6 #define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_RESOURCE_PREFETCH_PREDICTOR_P
AGE_LOAD_METRICS_OBSERVER_H_ |
7 | 7 |
8 #include "chrome/browser/page_load_metrics/page_load_metrics_observer.h" | 8 #include "chrome/browser/page_load_metrics/page_load_metrics_observer.h" |
9 | 9 |
10 namespace content { | 10 namespace content { |
(...skipping 17 matching lines...) Expand all Loading... |
28 : public page_load_metrics::PageLoadMetricsObserver { | 28 : public page_load_metrics::PageLoadMetricsObserver { |
29 public: | 29 public: |
30 // Returns a ResourcePrefetchPredictorPageLoadMetricsObserver, or nullptr if | 30 // Returns a ResourcePrefetchPredictorPageLoadMetricsObserver, or nullptr if |
31 // it is not needed. | 31 // it is not needed. |
32 static std::unique_ptr<ResourcePrefetchPredictorPageLoadMetricsObserver> | 32 static std::unique_ptr<ResourcePrefetchPredictorPageLoadMetricsObserver> |
33 CreateIfNeeded(content::WebContents* web_contents); | 33 CreateIfNeeded(content::WebContents* web_contents); |
34 | 34 |
35 // Public for testing. Normally one should use CreateIfNeeded. Predictor must | 35 // Public for testing. Normally one should use CreateIfNeeded. Predictor must |
36 // outlive this observer. | 36 // outlive this observer. |
37 explicit ResourcePrefetchPredictorPageLoadMetricsObserver( | 37 explicit ResourcePrefetchPredictorPageLoadMetricsObserver( |
38 predictors::ResourcePrefetchPredictor* predictor); | 38 predictors::ResourcePrefetchPredictor* predictor, |
| 39 content::WebContents* web_contents); |
39 | 40 |
40 ~ResourcePrefetchPredictorPageLoadMetricsObserver() override; | 41 ~ResourcePrefetchPredictorPageLoadMetricsObserver() override; |
41 | 42 |
42 // page_load_metrics::PageLoadMetricsObserver: | 43 // page_load_metrics::PageLoadMetricsObserver: |
43 ObservePolicy OnStart(content::NavigationHandle* navigation_handle, | 44 ObservePolicy OnStart(content::NavigationHandle* navigation_handle, |
44 const GURL& currently_commited_url, | 45 const GURL& currently_commited_url, |
45 bool started_in_foreground) override; | 46 bool started_in_foreground) override; |
46 ObservePolicy OnHidden( | 47 ObservePolicy OnHidden( |
47 const page_load_metrics::PageLoadTiming& timing, | 48 const page_load_metrics::PageLoadTiming& timing, |
48 const page_load_metrics::PageLoadExtraInfo& extra_info) override; | 49 const page_load_metrics::PageLoadExtraInfo& extra_info) override; |
49 void OnFirstContentfulPaint( | 50 void OnFirstContentfulPaint( |
50 const page_load_metrics::PageLoadTiming& timing, | 51 const page_load_metrics::PageLoadTiming& timing, |
51 const page_load_metrics::PageLoadExtraInfo& extra_info) override; | 52 const page_load_metrics::PageLoadExtraInfo& extra_info) override; |
52 void OnFirstMeaningfulPaint( | 53 void OnFirstMeaningfulPaint( |
53 const page_load_metrics::PageLoadTiming& timing, | 54 const page_load_metrics::PageLoadTiming& timing, |
54 const page_load_metrics::PageLoadExtraInfo& extra_info) override; | 55 const page_load_metrics::PageLoadExtraInfo& extra_info) override; |
55 | 56 |
56 private: | 57 private: |
57 predictors::ResourcePrefetchPredictor* predictor_; | 58 predictors::ResourcePrefetchPredictor* predictor_; |
| 59 content::WebContents* web_contents_; |
| 60 bool record_histograms_; |
58 | 61 |
59 DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorPageLoadMetricsObserver); | 62 DISALLOW_COPY_AND_ASSIGN(ResourcePrefetchPredictorPageLoadMetricsObserver); |
60 }; | 63 }; |
61 | 64 |
62 #endif // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_RESOURCE_PREFETCH_PREDICTO
R_PAGE_LOAD_METRICS_OBSERVER_H_ | 65 #endif // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_RESOURCE_PREFETCH_PREDICTO
R_PAGE_LOAD_METRICS_OBSERVER_H_ |
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