ChromeLaunchController does proper action when extension unloaded

chrome/browser/ui/ash/launcher/chrome_launcher_controller.h

 // Copyright 2013 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_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 13 matching lines @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/extensions/app_icon_loader.h"
 #include "chrome/browser/prefs/pref_service_syncable_observer.h"
 #include "chrome/browser/ui/ash/app_sync_ui_state_observer.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_types.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
 #include "chrome/common/extensions/extension_constants.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
+#include "extensions/browser/extension_registry_observer.h"
 #include "ui/aura/window_observer.h"
 
 class AppSyncUIState;
 class Browser;
 class BrowserShortcutLauncherItemController;
 class BrowserStatusMonitor;
 class ExtensionEnableFlow;
 class GURL;
 class LauncherItemController;
 class Profile;
 class AppWindowLauncherController;
 class TabContents;
 
 namespace ash {
 class ShelfItemDelegateManager;
 class ShelfModel;
 }
 
 namespace aura {
 class Window;
 }
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
+class ExtensionRegistry;
 }
 
 namespace ui {
 class BaseWindow;
 }
 
 // A list of the elements which makes up a simple menu description.
 typedef ScopedVector<ChromeLauncherAppMenuItem> ChromeLauncherAppMenuItems;
 
 // A class which needs to be overwritten dependent on the used OS to moitor
@@ skipping 12 matching lines @@
 // This incarnation groups running tabs/windows in application specific lists.
 // * Browser app windows have BrowserLauncherItemController, owned by the
 //   BrowserView instance.
 // * App windows have AppWindowLauncherItemController, owned by
 //   AppWindowLauncherController.
 // * Shortcuts have no LauncherItemController.
 class ChromeLauncherController : public ash::ShelfDelegate,
                                  public ash::ShelfModelObserver,
                                  public ash::ShellObserver,
                                  public ash::DisplayController::Observer,
-                                 public content::NotificationObserver,
                                  public extensions::AppIconLoader::Delegate,
                                  public PrefServiceSyncableObserver,
+                                 public extensions::ExtensionRegistryObserver,
                                  public AppSyncUIStateObserver,
                                  public ExtensionEnableFlowDelegate,
                                  public ash::ShelfLayoutManagerObserver {
  public:
   // Indicates if a shelf item is incognito or not.
   enum IncognitoState {
     STATE_INCOGNITO,
     STATE_NOT_INCOGNITO,
   };
 
@@ skipping 192 matching lines @@
   virtual void UnpinAppWithID(const std::string& app_id) OVERRIDE;
 
   // ash::ShelfModelObserver overrides:
   virtual void ShelfItemAdded(int index) OVERRIDE;
   virtual void ShelfItemRemoved(int index, ash::ShelfID id) OVERRIDE;
   virtual void ShelfItemMoved(int start_index, int target_index) OVERRIDE;
   virtual void ShelfItemChanged(int index,
                                 const ash::ShelfItem& old_item) OVERRIDE;
   virtual void ShelfStatusChanged() OVERRIDE;
 
-  // content::NotificationObserver overrides:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+  virtual void OnExtensionLoaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension) OVERRIDE;
+  virtual void OnExtensionUnloaded(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      extensions::UnloadedExtensionInfo::Reason reason) OVERRIDE;
 
   // ash::ShellObserver overrides:
   virtual void OnShelfAlignmentChanged(aura::Window* root_window) OVERRIDE;
 
   // ash::DisplayController::Observer overrides:
   virtual void OnDisplayConfigurationChanged() OVERRIDE;
 
   // PrefServiceSyncableObserver overrides:
   virtual void OnIsSyncingChanged() OVERRIDE;
 
@@ skipping 243 matching lines @@
 
   // Used to track app windows.
   scoped_ptr<AppWindowLauncherController> app_window_controller_;
 
   // Used to get app info for tabs.
   scoped_ptr<AppTabHelper> app_tab_helper_;
 
   // Used to load the image for an app item.
   scoped_ptr<extensions::AppIconLoader> app_icon_loader_;
 
-  content::NotificationRegistrar notification_registrar_;
+  // Used to get extension loaded, unloaded notifications.
+  extensions::ExtensionRegistry* extension_registry_;
 
   PrefChangeRegistrar pref_change_registrar_;
 
   AppSyncUIState* app_sync_ui_state_;
 
   scoped_ptr<ExtensionEnableFlow> extension_enable_flow_;
 
   // Shelves that are currently being observed.
   std::set<ash::Shelf*> shelves_;
 
@@ skipping 12 matching lines @@
   // The list of running & un-pinned applications for different users on hidden
   // desktops.
   typedef std::vector<std::string> RunningAppListIds;
   typedef std::map<std::string, RunningAppListIds> RunningAppListIdMap;
   RunningAppListIdMap last_used_running_application_order_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_