| Index: chrome/browser/ui/webui/extensions/extension_settings_handler.h | 
| diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.h b/chrome/browser/ui/webui/extensions/extension_settings_handler.h | 
| index 50e0160f9b326279f350d39f02d90c7fe6487d6f..fee671e9a9b5b912bda26bc22dc3b46fa6dea2c4 100644 | 
| --- a/chrome/browser/ui/webui/extensions/extension_settings_handler.h | 
| +++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.h | 
| @@ -11,6 +11,7 @@ | 
|  | 
| #include "base/memory/scoped_ptr.h" | 
| #include "base/prefs/public/pref_change_registrar.h" | 
| +#include "base/prefs/public/pref_observer.h" | 
| #include "chrome/browser/extensions/extension_install_ui.h" | 
| #include "chrome/browser/extensions/extension_uninstall_dialog.h" | 
| #include "chrome/browser/extensions/extension_warning_set.h" | 
| @@ -59,6 +60,7 @@ struct ExtensionPage { | 
| class ExtensionSettingsHandler | 
| : public content::WebUIMessageHandler, | 
| public content::NotificationObserver, | 
| +      public PrefObserver, | 
| public content::WebContentsObserver, | 
| public ui::SelectFileDialog::Listener, | 
| public ExtensionUninstallDialog::Delegate, | 
| @@ -107,6 +109,10 @@ class ExtensionSettingsHandler | 
| const content::NotificationSource& source, | 
| const content::NotificationDetails& details) OVERRIDE; | 
|  | 
| +  // PrefObserver implementation. | 
| +  virtual void OnPreferenceChanged(PrefServiceBase* service, | 
| +                                   const std::string& pref_name) OVERRIDE; | 
| + | 
| // ExtensionUninstallDialog::Delegate implementation, used for receiving | 
| // notification about uninstall confirmation dialog selections. | 
| virtual void ExtensionUninstallAccepted() OVERRIDE; | 
|  |