Deprecate direct use of legacy extension management preference

chrome/browser/ui/webui/extensions/extension_settings_handler.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
-#include "base/prefs/pref_change_registrar.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/extensions/error_console/error_console.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
+#include "chrome/browser/extensions/extension_management.h"
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 #include "chrome/browser/extensions/requirements_checker.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_prefs_observer.h"
 #include "extensions/browser/extension_registry_observer.h"
@@ skipping 36 matching lines @@
   bool generated_background_page;
 };
 
 // Extension Settings UI handler.
 class ExtensionSettingsHandler
     : public content::WebUIMessageHandler,
       public content::NotificationObserver,
       public content::WebContentsObserver,
       public ErrorConsole::Observer,
       public ExtensionInstallPrompt::Delegate,
+      public ExtensionManagement::Observer,
       public ExtensionPrefsObserver,
       public ExtensionRegistryObserver,
       public ExtensionUninstallDialog::Delegate,
       public WarningService::Observer,
       public base::SupportsWeakPtr<ExtensionSettingsHandler> {
  public:
   ExtensionSettingsHandler();
   virtual ~ExtensionSettingsHandler();
 
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
@@ skipping 43 matching lines @@
       UnloadedExtensionInfo::Reason reason) OVERRIDE;
   virtual void OnExtensionUninstalled(
       content::BrowserContext* browser_context,
       const Extension* extension,
       extensions::UninstallReason reason) OVERRIDE;
 
   // ExtensionPrefsObserver implementation.
   virtual void OnExtensionDisableReasonsChanged(const std::string& extension_id,
                                                 int disable_reasons) OVERRIDE;
 
+  // ExtensionManagement::Observer implementation.
+  virtual void OnExtensionManagementSettingsChanged() OVERRIDE;
+
   // ExtensionUninstallDialog::Delegate implementation, used for receiving
   // notification about uninstall confirmation dialog selections.
   virtual void ExtensionUninstallAccepted() OVERRIDE;
   virtual void ExtensionUninstallCanceled() OVERRIDE;
 
   // WarningService::Observer implementation.
   virtual void ExtensionWarningsChanged() OVERRIDE;
 
   // ExtensionInstallPrompt::Delegate implementation.
   virtual void InstallUIProceed() OVERRIDE;
@@ skipping 122 matching lines @@
   int deleting_rph_id_;
 
   // We want to register for notifications only after we've responded at least
   // once to the page, otherwise we'd be calling JavaScript functions on objects
   // that don't exist yet when notifications come in. This variable makes sure
   // we do so only once.
   bool registered_for_notifications_;
 
   content::NotificationRegistrar registrar_;
 
-  PrefChangeRegistrar pref_registrar_;
-
   // This will not be empty when a requirements check is in progress. Doing
   // another Check() before the previous one is complete will cause the first
   // one to abort.
   scoped_ptr<RequirementsChecker> requirements_checker_;
 
   // The UI for showing what permissions the extension has.
   scoped_ptr<ExtensionInstallPrompt> prompt_;
 
   ScopedObserver<WarningService, WarningService::Observer>
       warning_service_observer_;
 
   // An observer to listen for when Extension errors are reported.
   ScopedObserver<ErrorConsole, ErrorConsole::Observer> error_console_observer_;
 
   // An observer to listen for notable changes in the ExtensionPrefs, like
   // a change in Disable Reasons.
   ScopedObserver<ExtensionPrefs, ExtensionPrefsObserver>
       extension_prefs_observer_;
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
+  ScopedObserver<ExtensionManagement, ExtensionManagement::Observer>
+      extension_management_observer_;
+
   // Whether we found any DISABLE_NOT_VERIFIED extensions and want to kick off
   // a verification check to try and rescue them.
   bool should_do_verification_check_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_SETTINGS_HANDLER_H_