blob: dd9bfa3375ecc73ddbc21c7447cd1e00a62f6590 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_
#define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_
#include <string>
#include "base/basictypes.h"
// This class manages the Autocomplete field trials.
class AutocompleteFieldTrial {
public:
// Creates the static field trial groups.
// *** MUST NOT BE CALLED MORE THAN ONCE. ***
static void ActivateStaticTrials();
// Activates all dynamic field trials. The main difference between
// the autocomplete dynamic and static field trials is that the former
// don't require any code changes on the Chrome side as they are controlled
// on the server side. Chrome binary simply propagates all necessary
// information through the X-Chrome-Variations header.
// This method, unlike ActivateStaticTrials(), may be called multiple times.
static void ActivateDynamicTrials();
// ---------------------------------------------------------
// For the inline History Quick Provider field trial.
// Returns whether the user is in any field trial group for this
// field trial. False indicates that the field trial wasn't
// successfully created for some reason.
static bool InDisallowInlineHQPFieldTrial();
// Returns whether the user should get the experiment setup or
// the default setup for this field trial. The experiment
// group prohibits inlining suggestions.
static bool InDisallowInlineHQPFieldTrialExperimentGroup();
// ---------------------------------------------------------
// For the suggest field trial.
// Fills in |field_trial_hash| with a hash of the active suggest field trial
// name, if any. Returns true if the suggest field trial was active and
// |field_trial_hash| was initialized.
static bool GetActiveSuggestFieldTrialHash(uint32* field_trial_hash);
// ---------------------------------------------------------
// For the History Quick Provider new scoring field trial.
// Returns whether the user is in any field trial group for this
// field trial. False indicates that the field trial wasn't
// successfully created for some reason.
static bool InHQPNewScoringFieldTrial();
// Returns whether the user should get the experimental setup or
// the default setup for this field trial. The experiment
// group uses "new scoring" (a complex multiplicative calculation
// that, among other differences from "old scoring", uses word
// break information).
static bool InHQPNewScoringFieldTrialExperimentGroup();
// ---------------------------------------------------------
// For the HistoryURL provider disable culling redirects field trial.
// Returns whether the user is in any group for this field trial.
// (Should always be true unless initialization went wrong.)
static bool InHUPCullRedirectsFieldTrial();
// Returns whether we should disable culling of redirects in
// HistoryURL provider.
static bool InHUPCullRedirectsFieldTrialExperimentGroup();
// ---------------------------------------------------------
// For the HistoryURL provider disable creating a shorter match
// field trial.
// Returns whether the user is in any group for this field trial.
// (Should always be true unless initialization went wrong.)
static bool InHUPCreateShorterMatchFieldTrial();
// Returns whether we should disable creating a shorter match in
// HistoryURL provider.
static bool InHUPCreateShorterMatchFieldTrialExperimentGroup();
// ---------------------------------------------------------
// For the HistoryQuick provider replace HistoryURL provider field trial.
// Returns whether the user is in any field trial group for this
// field trial. False indicates that the field trial wasn't
// successfully created for some reason.
static bool InHQPReplaceHUPScoringFieldTrial();
// Returns whether the user should get the experimental setup or the
// default setup for this field trial. The experiment group
// simultaneously disables HistoryURL provider from searching the
// URL database and directs HistoryQuick provider to calculate both
// HUP-style and HQP-style scores for matches, then return whichever
// is larger.
static bool InHQPReplaceHUPScoringFieldTrialExperimentGroup();
// ---------------------------------------------------------
// For the HistoryQuick provider only count matches at word boundaries
// field trial.
// Returns whether the user is in any group for this field trial.
// (Should always be true unless initialization went wrong.)
static bool InHQPOnlyCountMatchesAtWordBoundariesFieldTrial();
// Returns whether we should ignore all mid-word matches in
// HistoryQuick provider.
static bool InHQPOnlyCountMatchesAtWordBoundariesFieldTrialExperimentGroup();
// ---------------------------------------------------------
// For the HistoryQuick provider use cursor position field trial.
// Returns whether the user is in any group for this field trial.
// (Should always be true unless initialization went wrong.)
static bool InHQPUseCursorPositionFieldTrial();
// Returns whether HistoryQuick provider should allow breaking the
// omnibox input string at cursor position.
static bool InHQPUseCursorPositionFieldTrialExperimentGroup();
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(AutocompleteFieldTrial);
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_
|
