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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_NET_TIMED_CACHE_H_ | 5 #ifndef CHROME_BROWSER_NET_TIMED_CACHE_H_ |
| 6 #define CHROME_BROWSER_NET_TIMED_CACHE_H_ | 6 #define CHROME_BROWSER_NET_TIMED_CACHE_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/containers/mru_cache.h" | 8 #include "base/containers/mru_cache.h" |
| 9 #include "base/macros.h" |
| 10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
| 11 | 11 |
| 12 class GURL; | 12 class GURL; |
| 13 | 13 |
| 14 namespace chrome_browser_net { | 14 namespace chrome_browser_net { |
| 15 | 15 |
| 16 // Define a LRU cache that recalls all navigations within the last N seconds. | 16 // Define a LRU cache that recalls all navigations within the last N seconds. |
| 17 // When we learn about subresources to possibly preconnect to, it would be a | 17 // When we learn about subresources to possibly preconnect to, it would be a |
| 18 // waste to preconnect when the original navigation was too long ago. Any | 18 // waste to preconnect when the original navigation was too long ago. Any |
| 19 // connected, but unused TCP/IP connection, will generally be reset by the | 19 // connected, but unused TCP/IP connection, will generally be reset by the |
| (...skipping 19 matching lines...) Expand all Loading... |
| 39 | 39 |
| 40 // The longest time an entry can persist in the cache, and still be found. | 40 // The longest time an entry can persist in the cache, and still be found. |
| 41 const base::TimeDelta max_duration_; | 41 const base::TimeDelta max_duration_; |
| 42 | 42 |
| 43 DISALLOW_COPY_AND_ASSIGN(TimedCache); | 43 DISALLOW_COPY_AND_ASSIGN(TimedCache); |
| 44 }; | 44 }; |
| 45 | 45 |
| 46 } // namespace chrome_browser_net | 46 } // namespace chrome_browser_net |
| 47 | 47 |
| 48 #endif // CHROME_BROWSER_NET_TIMED_CACHE_H_ | 48 #endif // CHROME_BROWSER_NET_TIMED_CACHE_H_ |
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