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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ | 5 #ifndef CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ |
6 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ | 6 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
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56 // comparison of two NavigationIDs because it cannot always be determined | 56 // comparison of two NavigationIDs because it cannot always be determined |
57 // correctly. | 57 // correctly. |
58 base::TimeTicks creation_time; | 58 base::TimeTicks creation_time; |
59 }; | 59 }; |
60 | 60 |
61 // Represents the config for the resource prefetch prediction algorithm. It is | 61 // Represents the config for the resource prefetch prediction algorithm. It is |
62 // useful for running experiments. | 62 // useful for running experiments. |
63 struct ResourcePrefetchPredictorConfig { | 63 struct ResourcePrefetchPredictorConfig { |
64 // Initializes the config with default values. | 64 // Initializes the config with default values. |
65 ResourcePrefetchPredictorConfig(); | 65 ResourcePrefetchPredictorConfig(); |
| 66 ResourcePrefetchPredictorConfig(const ResourcePrefetchPredictorConfig& other); |
66 ~ResourcePrefetchPredictorConfig(); | 67 ~ResourcePrefetchPredictorConfig(); |
67 | 68 |
68 // The mode the prefetcher is running in. Forms a bit map. | 69 // The mode the prefetcher is running in. Forms a bit map. |
69 enum Mode { | 70 enum Mode { |
70 URL_LEARNING = 1 << 0, | 71 URL_LEARNING = 1 << 0, |
71 HOST_LEARNING = 1 << 1, | 72 HOST_LEARNING = 1 << 1, |
72 URL_PREFETCHING = 1 << 2, // Should also turn on URL_LEARNING. | 73 URL_PREFETCHING = 1 << 2, // Should also turn on URL_LEARNING. |
73 HOST_PRFETCHING = 1 << 3 // Should also turn on HOST_LEARNING. | 74 HOST_PRFETCHING = 1 << 3 // Should also turn on HOST_LEARNING. |
74 }; | 75 }; |
75 int mode; | 76 int mode; |
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114 // Maximum number of prefetches that can be inflight for a single navigation. | 115 // Maximum number of prefetches that can be inflight for a single navigation. |
115 size_t max_prefetches_inflight_per_navigation; | 116 size_t max_prefetches_inflight_per_navigation; |
116 // Maximum number of prefetches that can be inflight for a host for a single | 117 // Maximum number of prefetches that can be inflight for a host for a single |
117 // navigation. | 118 // navigation. |
118 size_t max_prefetches_inflight_per_host_per_navigation; | 119 size_t max_prefetches_inflight_per_host_per_navigation; |
119 }; | 120 }; |
120 | 121 |
121 } // namespace predictors | 122 } // namespace predictors |
122 | 123 |
123 #endif // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ | 124 #endif // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_ |
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