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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 EXTENSIONS_BROWSER_BROWSER_CONTEXT_KEYED_API_FACTORY_H_ | 5 #ifndef EXTENSIONS_BROWSER_BROWSER_CONTEXT_KEYED_API_FACTORY_H_ |
6 #define EXTENSIONS_BROWSER_BROWSER_CONTEXT_KEYED_API_FACTORY_H_ | 6 #define EXTENSIONS_BROWSER_BROWSER_CONTEXT_KEYED_API_FACTORY_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "components/keyed_service/content/browser_context_dependency_manager.h" | 9 #include "components/keyed_service/content/browser_context_dependency_manager.h" |
10 #include "components/keyed_service/content/browser_context_keyed_service_factory .h" | 10 #include "components/keyed_service/content/browser_context_keyed_service_factory .h" |
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49 // initialized in a header file). | 49 // initialized in a header file). |
50 // | 50 // |
51 // In the header file, declare GetFactoryInstance(), e.g.: | 51 // In the header file, declare GetFactoryInstance(), e.g.: |
52 // class HistoryAPI { | 52 // class HistoryAPI { |
53 // ... | 53 // ... |
54 // public: | 54 // public: |
55 // static BrowserContextKeyedAPIFactory<HistoryAPI>* GetFactoryInstance(); | 55 // static BrowserContextKeyedAPIFactory<HistoryAPI>* GetFactoryInstance(); |
56 // }; | 56 // }; |
57 // | 57 // |
58 // In the cc file, provide the implementation, e.g.: | 58 // In the cc file, provide the implementation, e.g.: |
59 // static base::LazyInstance<BrowserContextKeyedAPIFactory<HistoryAPI> > | 59 // static base::LazyInstance<BrowserContextKeyedAPIFactory<HistoryAPI>>:: |
60 // g_factory = LAZY_INSTANCE_INITIALIZER; | 60 // DestructorAtExit g_factory = LAZY_INSTANCE_INITIALIZER; |
Nico
2017/03/07 21:43:02
should this recommend the leaky version?
scottmg
2017/03/07 21:56:30
I changed the lazy_instance.h one to recommend lea
| |
61 // | 61 // |
62 // // static | 62 // // static |
63 // BrowserContextKeyedAPIFactory<HistoryAPI>* | 63 // BrowserContextKeyedAPIFactory<HistoryAPI>* |
64 // HistoryAPI::GetFactoryInstance() { | 64 // HistoryAPI::GetFactoryInstance() { |
65 // return g_factory.Pointer(); | 65 // return g_factory.Pointer(); |
66 // } | 66 // } |
67 }; | 67 }; |
68 | 68 |
69 // A template for factories for KeyedServices that manage extension APIs. T is | 69 // A template for factories for KeyedServices that manage extension APIs. T is |
70 // a KeyedService that uses this factory template instead of its own separate | 70 // a KeyedService that uses this factory template instead of its own separate |
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133 bool ServiceIsNULLWhileTesting() const override { | 133 bool ServiceIsNULLWhileTesting() const override { |
134 return T::kServiceIsNULLWhileTesting; | 134 return T::kServiceIsNULLWhileTesting; |
135 } | 135 } |
136 | 136 |
137 DISALLOW_COPY_AND_ASSIGN(BrowserContextKeyedAPIFactory); | 137 DISALLOW_COPY_AND_ASSIGN(BrowserContextKeyedAPIFactory); |
138 }; | 138 }; |
139 | 139 |
140 } // namespace extensions | 140 } // namespace extensions |
141 | 141 |
142 #endif // EXTENSIONS_BROWSER_BROWSER_CONTEXT_KEYED_API_FACTORY_H_ | 142 #endif // EXTENSIONS_BROWSER_BROWSER_CONTEXT_KEYED_API_FACTORY_H_ |
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