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Side by Side Diff: chrome/browser/extensions/api/storage/settings_observer.h

Issue 11826048: Revert 176015 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 7 years, 11 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_OBSERVER_H_
6 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_OBSERVER_H_
7
8 #include "base/observer_list_threadsafe.h"
9 #include "chrome/browser/extensions/api/storage/settings_namespace.h"
10
11 namespace extensions {
12
13 // Interface for classes that listen to changes to extension settings.
14 class SettingsObserver {
15 public:
16 // Called when a list of settings have changed for an extension.
17 virtual void OnSettingsChanged(
18 const std::string& extension_id,
19 settings_namespace::Namespace settings_namespace,
20 const std::string& changes_json) = 0;
21
22 virtual ~SettingsObserver() {}
23 };
24
25 typedef ObserverListThreadSafe<SettingsObserver>
26 SettingsObserverList;
27
28 } // namespace extensions
29
30 #endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_OBSERVER_H_
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