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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_FLAGS_UI_FEATURE_ENTRY_H_ | 5 #ifndef COMPONENTS_FLAGS_UI_FEATURE_ENTRY_H_ |
6 #define COMPONENTS_FLAGS_UI_FEATURE_ENTRY_H_ | 6 #define COMPONENTS_FLAGS_UI_FEATURE_ENTRY_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/strings/string16.h" | 10 #include "base/strings/string16.h" |
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43 // flags - for example via FieldTrials. | 43 // flags - for example via FieldTrials. |
44 ENABLE_DISABLE_VALUE, | 44 ENABLE_DISABLE_VALUE, |
45 | 45 |
46 // Corresponds to a base::Feature, per base/feature_list.h. The entry will | 46 // Corresponds to a base::Feature, per base/feature_list.h. The entry will |
47 // have three states: Default, Enabled, Disabled. When not specified or set | 47 // have three states: Default, Enabled, Disabled. When not specified or set |
48 // to Default, the normal default value of the feature is used. | 48 // to Default, the normal default value of the feature is used. |
49 FEATURE_VALUE, | 49 FEATURE_VALUE, |
50 | 50 |
51 // Corresponds to a base::Feature and additional options [O_1, ..., O_n] | 51 // Corresponds to a base::Feature and additional options [O_1, ..., O_n] |
52 // that specify variation parameters. Each of the options can specify a set | 52 // that specify variation parameters. Each of the options can specify a set |
53 // of variation parameters. The entry will have n+2 states: Default, | 53 // of variation parameters. The entry will have n+3 states: Default, |
54 // Enabled: V_1, ..., Enabled: V_n, Disabled. When not specified or set to | 54 // Enabled, Enabled V_1, ..., Enabled: V_n, Disabled. When set to Default, |
55 // Default, the normal default values of the feature and of the parameters | 55 // the normal default values of the feature and of the parameters are used |
56 // are used. | 56 // (possibly passed from the server in a trial config). When set to Enabled, |
| 57 // the feature is overriden to be enabled and empty set of parameters is |
| 58 // used boiling down to the default behavior in the code. |
57 FEATURE_WITH_VARIATIONS_VALUE, | 59 FEATURE_WITH_VARIATIONS_VALUE, |
58 }; | 60 }; |
59 | 61 |
60 // Describes state of a feature. | 62 // Describes state of a feature. |
61 enum FeatureState { | 63 enum FeatureState { |
62 // The state of the feature is not overridden by the user. | 64 // The state of the feature is not overridden by the user. |
63 DEFAULT, | 65 DEFAULT, |
64 // The feature is enabled by the user. | 66 // The feature is enabled by the user. |
65 ENABLED, | 67 ENABLED, |
66 // The feature is disabled by the user. | 68 // The feature is disabled by the user. |
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177 | 179 |
178 // Separator used for multi values. Multi values are represented in prefs as | 180 // Separator used for multi values. Multi values are represented in prefs as |
179 // name-of-experiment + kMultiSeparator + selected_index. | 181 // name-of-experiment + kMultiSeparator + selected_index. |
180 extern const char kMultiSeparator[]; | 182 extern const char kMultiSeparator[]; |
181 | 183 |
182 } // namespace | 184 } // namespace |
183 | 185 |
184 } // namespace flag_ui | 186 } // namespace flag_ui |
185 | 187 |
186 #endif // COMPONENTS_FLAGS_UI_FEATURE_ENTRY_H_ | 188 #endif // COMPONENTS_FLAGS_UI_FEATURE_ENTRY_H_ |
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