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..3643e68d731b784de9d412d140871545d6243272 100644
--- a/ui/app_list/views/search_box_view.h
+++ b/ui/app_list/views/search_box_view.h
@@ -124,6 +124,9 @@ class APP_LIST_EXPORT SearchBoxView : public views::View,
 
   SearchBoxFocus focused_view_;  // Which element has TAB'd focus.
 
+  // Whether the fullscreen app list feature is enabled.
+  const bool is_fullscreen_app_list_enabled_;
+
   DISALLOW_COPY_AND_ASSIGN(SearchBoxView);
 };