WIP

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

Index: chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
diff --git a/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h b/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
index 0c7b1eabf060a9122ef3abb90b693cb2084aed3b..303b239dc3a696029cbb2eaafb29d149347bfa7b 100644
--- a/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
+++ b/chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h
@@ -65,8 +65,8 @@ class AppWindowLauncherItemController : public ash::ShelfItemDelegate,
  protected:
   explicit AppWindowLauncherItemController(const ash::ShelfID& shelf_id);
 
-  // Called when app window is removed from controller.
-  virtual void OnWindowRemoved(ui::BaseWindow* window) {}
+  // Called when active app window is changed.
+  virtual void OnActiveWindowChanged(ui::BaseWindow* active_window) {}
 
   // Returns the action performed. Should be one of SHELF_ACTION_NONE,
   // SHELF_ACTION_WINDOW_ACTIVATED, or SHELF_ACTION_WINDOW_MINIMIZED.
@@ -79,6 +79,9 @@ class AppWindowLauncherItemController : public ash::ShelfItemDelegate,
   ash::ShelfAction ActivateOrAdvanceToNextAppWindow(
       ui::BaseWindow* window_to_show);
 
+  // Returns last active window in the controller or top window.
+  ui::BaseWindow* GetLastActiveWindow();
+
  private:
   WindowList::iterator GetFromNativeWindow(aura::Window* window);