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Side by Side Diff: chrome/browser/net/predictor.h

Issue 7259019: Move base/values.h into the base namespace. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 5 months ago
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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 // A Predictor object is instantiated once in the browser process, and manages 5 // A Predictor object is instantiated once in the browser process, and manages
6 // both preresolution of hostnames, as well as TCP/IP preconnection to expected 6 // both preresolution of hostnames, as well as TCP/IP preconnection to expected
7 // subresources. 7 // subresources.
8 // Most hostname lists are provided by the renderer processes, and include URLs 8 // Most hostname lists are provided by the renderer processes, and include URLs
9 // that *might* be used in the near future by the browsing user. One goal of 9 // that *might* be used in the near future by the browsing user. One goal of
10 // this class is to cause the underlying DNS structure to lookup a hostname 10 // this class is to cause the underlying DNS structure to lookup a hostname
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26 #include <string> 26 #include <string>
27 #include <vector> 27 #include <vector>
28 28
29 #include "base/gtest_prod_util.h" 29 #include "base/gtest_prod_util.h"
30 #include "base/memory/ref_counted.h" 30 #include "base/memory/ref_counted.h"
31 #include "chrome/browser/net/url_info.h" 31 #include "chrome/browser/net/url_info.h"
32 #include "chrome/browser/net/referrer.h" 32 #include "chrome/browser/net/referrer.h"
33 #include "chrome/common/net/predictor_common.h" 33 #include "chrome/common/net/predictor_common.h"
34 #include "net/base/host_port_pair.h" 34 #include "net/base/host_port_pair.h"
35 35
36 namespace base {
36 class ListValue; 37 class ListValue;
38 }
37 39
38 namespace net { 40 namespace net {
39 class HostResolver; 41 class HostResolver;
40 } // namespace net 42 } // namespace net
41 43
42 namespace chrome_browser_net { 44 namespace chrome_browser_net {
43 45
44 typedef chrome_common_net::UrlList UrlList; 46 typedef chrome_common_net::UrlList UrlList;
45 typedef chrome_common_net::NameList NameList; 47 typedef chrome_common_net::NameList NameList;
46 typedef std::map<GURL, UrlInfo> Results; 48 typedef std::map<GURL, UrlInfo> Results;
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106 // Discards any referrer for which all the suggested host names are currently 108 // Discards any referrer for which all the suggested host names are currently
107 // annotated with negligible expected-use. Scales down (diminishes) the 109 // annotated with negligible expected-use. Scales down (diminishes) the
108 // expected-use of those that remain, so that their use will go down by a 110 // expected-use of those that remain, so that their use will go down by a
109 // factor each time we trim (moving the referrer closer to being discarded in 111 // factor each time we trim (moving the referrer closer to being discarded in
110 // a future call). 112 // a future call).
111 // The task is performed synchronously and completes before returing. 113 // The task is performed synchronously and completes before returing.
112 void TrimReferrersNow(); 114 void TrimReferrersNow();
113 115
114 // Construct a ListValue object that contains all the data in the referrers_ 116 // Construct a ListValue object that contains all the data in the referrers_
115 // so that it can be persisted in a pref. 117 // so that it can be persisted in a pref.
116 void SerializeReferrers(ListValue* referral_list); 118 void SerializeReferrers(base::ListValue* referral_list);
117 119
118 // Process a ListValue that contains all the data from a previous reference 120 // Process a ListValue that contains all the data from a previous reference
119 // list, as constructed by SerializeReferrers(), and add all the identified 121 // list, as constructed by SerializeReferrers(), and add all the identified
120 // values into the current referrer list. 122 // values into the current referrer list.
121 void DeserializeReferrers(const ListValue& referral_list); 123 void DeserializeReferrers(const base::ListValue& referral_list);
122 124
123 void DeserializeReferrersThenDelete(ListValue* referral_list); 125 void DeserializeReferrersThenDelete(base::ListValue* referral_list);
124 126
125 // For unit test code only. 127 // For unit test code only.
126 size_t max_concurrent_dns_lookups() const { 128 size_t max_concurrent_dns_lookups() const {
127 return max_concurrent_dns_lookups_; 129 return max_concurrent_dns_lookups_;
128 } 130 }
129 131
130 // Flag setting to use preconnection instead of just DNS pre-fetching. 132 // Flag setting to use preconnection instead of just DNS pre-fetching.
131 bool preconnect_enabled() const { return preconnect_enabled_; } 133 bool preconnect_enabled() const { return preconnect_enabled_; }
132 134
133 // Put URL in canonical form, including a scheme, host, and port. 135 // Put URL in canonical form, including a scheme, host, and port.
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333 base::TimeTicks next_trim_time_; 335 base::TimeTicks next_trim_time_;
334 336
335 ScopedRunnableMethodFactory<Predictor> trim_task_factory_; 337 ScopedRunnableMethodFactory<Predictor> trim_task_factory_;
336 338
337 DISALLOW_COPY_AND_ASSIGN(Predictor); 339 DISALLOW_COPY_AND_ASSIGN(Predictor);
338 }; 340 };
339 341
340 } // namespace chrome_browser_net 342 } // namespace chrome_browser_net
341 343
342 #endif // CHROME_BROWSER_NET_PREDICTOR_H_ 344 #endif // CHROME_BROWSER_NET_PREDICTOR_H_
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