Add a whole-app-list unit test.

chrome/browser/ui/views/app_list/win/app_list_service_win.h

Index: chrome/browser/ui/views/app_list/win/app_list_service_win.h
diff --git a/chrome/browser/ui/views/app_list/win/app_list_service_win.h b/chrome/browser/ui/views/app_list/win/app_list_service_win.h
index 6181a749c8c3da6c7b4533b675d5497d78925c6e..12b09b93db6cdd068affcab8c2ef1c54118a26e7 100644
--- a/chrome/browser/ui/views/app_list/win/app_list_service_win.h
+++ b/chrome/browser/ui/views/app_list/win/app_list_service_win.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_APP_LIST_SERVICE_WIN_H_
 #define CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_APP_LIST_SERVICE_WIN_H_
 
+#include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/app_list/app_list_service_views.h"
 
@@ -53,6 +54,8 @@ class AppListServiceWin : public AppListServiceViews {
   bool enable_app_list_on_next_init_;
   scoped_ptr<ActivationTrackerWin> activation_tracker_;
 
+  base::Closure next_paint_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(AppListServiceWin);
 };