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22 lines
625 B
22 lines
625 B
// Copyright 2012 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef COMPONENTS_PREFS_PREF_OBSERVER_H_
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#define COMPONENTS_PREFS_PREF_OBSERVER_H_
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#include <string>
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class PrefService;
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// Used internally to the Prefs subsystem to pass preference change
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// notifications between PrefService, PrefNotifierImpl and
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// PrefChangeRegistrar.
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class PrefObserver {
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public:
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virtual void OnPreferenceChanged(PrefService* service,
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const std::string& pref_name) = 0;
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};
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#endif // COMPONENTS_PREFS_PREF_OBSERVER_H_
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