1 // Copyright (c) 2012 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 COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_OBSERVER_H_
6 #define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_OBSERVER_H_
7 
8 #include <string>
9 
10 #include "components/content_settings/core/common/content_settings_pattern.h"
11 #include "components/content_settings/core/common/content_settings_types.h"
12 
13 namespace content_settings {
14 
15 class Observer {
16  public:
17   virtual void OnContentSettingChanged(
18       const ContentSettingsPattern& primary_pattern,
19       const ContentSettingsPattern& secondary_pattern,
20       ContentSettingsType content_type) = 0;
21 
22  protected:
~Observer()23   virtual ~Observer() {}
24 };
25 
26 }  // namespace content_settings
27 
28 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_OBSERVER_H_
29