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 15f3dbb1f853cbea19cd7c38e2bba2f349aae92c..179b0d5b14ce2caa8d866929193dcdc77e890ffa 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 app_list::AppListMenu {
  public:
-  explicit AppListMenuViews(AppListViewDelegate* delegate);
+  AppListMenuViews(AppListViewDelegate* delegate,
+                   AppListModel* model);
   virtual ~AppListMenuViews();
 
   void RunMenuAt(views::MenuButton* button, const gfx::Point& point);