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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 COMPONENTS_USER_PREFS_TRACKED_INTERCEPTABLE_PREF_FILTER_H_ | 5 #ifndef COMPONENTS_USER_PREFS_TRACKED_INTERCEPTABLE_PREF_FILTER_H_ |
6 #define COMPONENTS_USER_PREFS_TRACKED_INTERCEPTABLE_PREF_FILTER_H_ | 6 #define COMPONENTS_USER_PREFS_TRACKED_INTERCEPTABLE_PREF_FILTER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/weak_ptr.h" | 9 #include "base/memory/weak_ptr.h" |
10 #include "base/prefs/pref_filter.h" | |
11 #include "base/values.h" | 10 #include "base/values.h" |
| 11 #include "components/prefs/pref_filter.h" |
12 | 12 |
13 // A partial implementation of a PrefFilter whose FilterOnLoad call may be | 13 // A partial implementation of a PrefFilter whose FilterOnLoad call may be |
14 // intercepted by a FilterOnLoadInterceptor. Implementations of | 14 // intercepted by a FilterOnLoadInterceptor. Implementations of |
15 // InterceptablePrefFilter are expected to override FinalizeFilterOnLoad rather | 15 // InterceptablePrefFilter are expected to override FinalizeFilterOnLoad rather |
16 // than re-overriding FilterOnLoad. | 16 // than re-overriding FilterOnLoad. |
17 class InterceptablePrefFilter | 17 class InterceptablePrefFilter |
18 : public PrefFilter, | 18 : public PrefFilter, |
19 public base::SupportsWeakPtr<InterceptablePrefFilter> { | 19 public base::SupportsWeakPtr<InterceptablePrefFilter> { |
20 public: | 20 public: |
21 // A callback to be invoked by a FilterOnLoadInterceptor when its ready to | 21 // A callback to be invoked by a FilterOnLoadInterceptor when its ready to |
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55 scoped_ptr<base::DictionaryValue> pref_store_contents, | 55 scoped_ptr<base::DictionaryValue> pref_store_contents, |
56 bool prefs_altered) = 0; | 56 bool prefs_altered) = 0; |
57 | 57 |
58 // Callback to be invoked only once (and subsequently reset) on the next | 58 // Callback to be invoked only once (and subsequently reset) on the next |
59 // FilterOnLoad event. It will be allowed to modify the |prefs| handed to | 59 // FilterOnLoad event. It will be allowed to modify the |prefs| handed to |
60 // FilterOnLoad before handing them back to this PrefHashFilter. | 60 // FilterOnLoad before handing them back to this PrefHashFilter. |
61 FilterOnLoadInterceptor filter_on_load_interceptor_; | 61 FilterOnLoadInterceptor filter_on_load_interceptor_; |
62 }; | 62 }; |
63 | 63 |
64 #endif // COMPONENTS_USER_PREFS_TRACKED_INTERCEPTABLE_PREF_FILTER_H_ | 64 #endif // COMPONENTS_USER_PREFS_TRACKED_INTERCEPTABLE_PREF_FILTER_H_ |
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