Move AppListModel::Users to AppListViewDelegate

ui/app_list/views/app_list_view.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 UI_APP_LIST_VIEWS_APP_LIST_VIEW_H_
 #define UI_APP_LIST_VIEWS_APP_LIST_VIEW_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
@@ skipping 114 matching lines @@
 
   // Overridden from views::WidgetObserver:
   virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
   virtual void OnWidgetVisibilityChanged(
       views::Widget* widget, bool visible) OVERRIDE;
   virtual void OnWidgetActivationChanged(
       views::Widget* widget, bool active) OVERRIDE;
 
   // Overridden from AppListModelObserver:
   virtual void OnAppListModelSigninStatusChanged() OVERRIDE;
-  virtual void OnAppListModelUsersChanged() OVERRIDE;
 
   SigninDelegate* GetSigninDelegate();
 
   scoped_ptr<AppListModel> model_;
   scoped_ptr<AppListViewDelegate> delegate_;
 
   AppListMainView*  app_list_main_view_;
   SigninView* signin_view_;
 
   ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_APP_LIST_VIEW_H_