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Side by Side Diff: chrome/browser/prerender/prerender_field_trial.h

Issue 1077433002: Remove PrerenderLocalPredictor, part 1. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_PRERENDER_PRERENDER_FIELD_TRIAL_H_ 5 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_
6 #define CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ 6 #define CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_
7 7
8 #include <string>
9
10 class Profile; 8 class Profile;
11 9
12 namespace base { 10 namespace base {
13 class CommandLine; 11 class CommandLine;
14 } 12 }
15 13
16 namespace prerender { 14 namespace prerender {
17 15
18 // Parse the --prerender= command line switch, which controls prerendering. If 16 // Parse the --prerender= command line switch, which controls prerendering. If
19 // the switch is unset or is set to "auto" then the user is assigned to a 17 // the switch is unset or is set to "auto" then the user is assigned to a
20 // field trial. 18 // field trial.
21 void ConfigurePrerender(const base::CommandLine& command_line); 19 void ConfigurePrerender(const base::CommandLine& command_line);
22 20
23 // Returns true if the user has opted in or has been opted in to the 21 // Returns true if the user has opted in or has been opted in to the
24 // prerendering from Omnibox experiment. 22 // prerendering from Omnibox experiment.
25 bool IsOmniboxEnabled(Profile* profile); 23 bool IsOmniboxEnabled(Profile* profile);
26 24
27 // Returns true iff the Prerender Local Predictor is enabled.
28 bool IsLocalPredictorEnabled();
29
30 // Indicates whether to disable the local predictor due to unencrypted sync
31 // settings and configuration.
32 bool ShouldDisableLocalPredictorBasedOnSyncAndConfiguration(Profile* profile);
33
34 // Returns whether or not the local predictor is temporarily disabled, due
35 // to network predictive action settings and current network.
36 bool ShouldDisableLocalPredictorDueToPreferencesAndNetwork(Profile* profile);
37
38 // Returns true iff the LoggedIn Predictor is enabled.
39 bool IsLoggedInPredictorEnabled();
40
41 // Returns true iff the side-effect free whitelist is enabled. 25 // Returns true iff the side-effect free whitelist is enabled.
42 bool IsSideEffectFreeWhitelistEnabled(); 26 bool IsSideEffectFreeWhitelistEnabled();
davidben 2015/04/08 21:30:41 (This function is called elsewhere and will be rem
43 27
44 // Returns true if the local predictor should actually launch prerenders.
45 bool IsLocalPredictorPrerenderLaunchEnabled();
46
47 // Returns true if the local predictor should prerender, but only as control
48 // group. If the local predictor never launches prerenders, then this setting
49 // is irrelevant.
50 bool IsLocalPredictorPrerenderAlwaysControlEnabled();
51
52 // Returns true if the local predictor should prefetch rather than prerender.
53 bool IsLocalPredictorPrerenderPrefetchEnabled();
54
55 // Returns true if we should query the prerender service for the profile
56 // provided.
57 bool ShouldQueryPrerenderService(Profile* profile);
58
59 // Indicates whether we should query the prerender service for the current URL
60 // and candidate URLs, respectively.
61 bool ShouldQueryPrerenderServiceForCurrentURL();
62 bool ShouldQueryPrerenderServiceForCandidateURLs();
63
64 // Returns the URL prefix to be used for the prerender service. The only thing
65 // that will be appended is the urlencoded query json.
66 std::string GetPrerenderServiceURLPrefix();
67
68 // Returns the prerender service behavior ID that should be passed to the
69 // to the prerender service in requests.
70 int GetPrerenderServiceBehaviorID();
71
72 // Returns the fetch timeout to be used for the prerender service, in ms.
73 int GetPrerenderServiceFetchTimeoutMs();
74
75 // Returns the timeout for entries in the prefetch list, in seconds.
76 int GetPrerenderPrefetchListTimeoutSeconds();
77
78 // Returns the TTL to be used for the local predictor.
79 int GetLocalPredictorTTLSeconds();
80
81 // Returns the half-life time to use to decay local predictor prerender
82 // priorities.
83 int GetLocalPredictorPrerenderPriorityHalfLifeTimeSeconds();
84
85 // Returns the maximum number of concurrent prerenders the local predictor
86 // may maintain.
87 int GetLocalPredictorMaxConcurrentPrerenders();
88
89 // Returns the maximum number of concurrent prerenders the local predictor
90 // may launch concurrently.
91 int GetLocalPredictorMaxLaunchPrerenders();
92
93 // The following functions return whether certain LocalPredictor checks should
94 // be skipped, as indicated by the name.
95 bool SkipLocalPredictorFragment();
96 bool SkipLocalPredictorHTTPS();
97 bool SkipLocalPredictorWhitelist();
98 bool SkipLocalPredictorServiceWhitelist();
99 bool SkipLocalPredictorLoggedIn();
100 bool SkipLocalPredictorDefaultNoPrerender();
101 bool SkipLocalPredictorLocalCandidates();
102 bool SkipLocalPredictorServiceCandidates();
103
104 } // namespace prerender 28 } // namespace prerender
105 29
106 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ 30 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_
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