Changed static variable flag to be a bool in the anon namespace.

ui/app_list/views/search_box_view.h

Index: ui/app_list/views/search_box_view.h
diff --git a/ui/app_list/views/search_box_view.h b/ui/app_list/views/search_box_view.h
index db647e9165e8ac15819065cad42225d5fd16e1e9..0695348942c8bf87394de00187a46307866ed9df 100644
--- a/ui/app_list/views/search_box_view.h
+++ b/ui/app_list/views/search_box_view.h
@@ -122,6 +122,10 @@ class APP_LIST_EXPORT SearchBoxView : public views::View,
   views::View* contents_view_;  // Owned by views hierarchy.
   app_list::AppListView* app_list_view_;  // Owned by views hierarchy.
 
+  // The switch that is checked to determine if the fullscreen app list feature
+  // is enabled.
+  bool is_fullscreen_app_list_enabled_;
+
   SearchBoxFocus focused_view_;  // Which element has TAB'd focus.
 
   DISALLOW_COPY_AND_ASSIGN(SearchBoxView);