Move signin status and current user information into AppListModel.

ui/app_list/views/app_list_menu_views.h

Index: ui/app_list/views/app_list_menu_views.h
diff --git a/ui/app_list/views/app_list_menu_views.h b/ui/app_list/views/app_list_menu_views.h
index 32efc3ac14f4182a195e4b4c62b98fef482242e6..2dc3d01f046e662e2c12f5f36046c445a098ecfe 100644
--- a/ui/app_list/views/app_list_menu_views.h
+++ b/ui/app_list/views/app_list_menu_views.h
@@ -20,11 +20,14 @@ class MenuButton;
 
 namespace app_list {
 
+class AppListModel;
+
 // Views implementation of the app list menu.
 // TODO(benwells): We should consider moving this into Chrome.
 class AppListMenuViews : public AppListMenu {
  public:
-  explicit AppListMenuViews(AppListViewDelegate* delegate);
+  AppListMenuViews(AppListViewDelegate* delegate,
+                   AppListModel* model);
   virtual ~AppListMenuViews();
 
   void RunMenuAt(views::MenuButton* button, const gfx::Point& point);