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

Issue 2866026: Rename Dns prefetching files to Predictor files... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 10 years, 6 months ago
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1 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2010 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
11 // before it is really needed, and hence reduce latency in the standard lookup 11 // before it is really needed, and hence reduce latency in the standard lookup
12 // paths. 12 // paths.
13 // Subresource relationships are usually acquired from the referrer field in a 13 // Subresource relationships are usually acquired from the referrer field in a
14 // navigation. A subresource URL may be associated with a referrer URL. Later 14 // navigation. A subresource URL may be associated with a referrer URL. Later
15 // navigations may, if the likelihood of needing the subresource is high enough, 15 // navigations may, if the likelihood of needing the subresource is high enough,
16 // cause this module to speculatively create a TCP/IP connection that will 16 // cause this module to speculatively create a TCP/IP connection that will
17 // probably be needed to fetch the subresource. 17 // probably be needed to fetch the subresource.
18 18
19 #ifndef CHROME_BROWSER_NET_DNS_MASTER_H_ 19 #ifndef CHROME_BROWSER_NET_PREDICTOR_H_
20 #define CHROME_BROWSER_NET_DNS_MASTER_H_ 20 #define CHROME_BROWSER_NET_PREDICTOR_H_
21 21
22 #include <map> 22 #include <map>
23 #include <queue> 23 #include <queue>
24 #include <set> 24 #include <set>
25 #include <string> 25 #include <string>
26 #include <vector> 26 #include <vector>
27 27
28 #include "base/gtest_prod_util.h" 28 #include "base/gtest_prod_util.h"
29 #include "base/ref_counted.h" 29 #include "base/ref_counted.h"
30 #include "chrome/browser/net/dns_host_info.h" 30 #include "chrome/browser/net/url_info.h"
31 #include "chrome/browser/net/referrer.h" 31 #include "chrome/browser/net/referrer.h"
32 #include "chrome/common/net/dns.h" 32 #include "chrome/common/net/predictor_common.h"
33 #include "net/base/host_port_pair.h" 33 #include "net/base/host_port_pair.h"
34 34
35 namespace net { 35 namespace net {
36 class HostResolver; 36 class HostResolver;
37 } // namespace net 37 } // namespace net
38 38
39 namespace chrome_browser_net { 39 namespace chrome_browser_net {
40 40
41 typedef chrome_common_net::UrlList UrlList; 41 typedef chrome_common_net::UrlList UrlList;
42 typedef chrome_common_net::NameList NameList; 42 typedef chrome_common_net::NameList NameList;
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257 257
258 // Are we currently using preconnection, rather than just DNS resolution, for 258 // Are we currently using preconnection, rather than just DNS resolution, for
259 // subresources and omni-box search URLs. 259 // subresources and omni-box search URLs.
260 bool preconnect_enabled_; 260 bool preconnect_enabled_;
261 261
262 DISALLOW_COPY_AND_ASSIGN(Predictor); 262 DISALLOW_COPY_AND_ASSIGN(Predictor);
263 }; 263 };
264 264
265 } // namespace chrome_browser_net 265 } // namespace chrome_browser_net
266 266
267 #endif // CHROME_BROWSER_NET_DNS_MASTER_H_ 267 #endif // CHROME_BROWSER_NET_PREDICTOR_H_
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