Views: Expose an on_closed callback via the MenuRunner constructor.

ui/views/controls/menu/menu_runner.cc

Index: ui/views/controls/menu/menu_runner.cc
diff --git a/ui/views/controls/menu/menu_runner.cc b/ui/views/controls/menu/menu_runner.cc
index bd07a839aefec3cd9f3e1492de5ff5ff2ebb904d..49a2fdc42f2f65bcff9f713c45cf314b9b530af8 100644
--- a/ui/views/controls/menu/menu_runner.cc
+++ b/ui/views/controls/menu/menu_runner.cc
@@ -6,14 +6,23 @@
 
 #include <utility>
 
+#include "base/callback.h"
 #include "ui/views/controls/menu/menu_runner_handler.h"
 #include "ui/views/controls/menu/menu_runner_impl.h"
 
 namespace views {
 
-MenuRunner::MenuRunner(ui::MenuModel* menu_model, int32_t run_types)
+MenuRunner::MenuRunner(ui::MenuModel* menu_model,
+                       int32_t run_types,
+                       const base::Closure& on_menu_closed_callback)
     : run_types_(run_types),
-      impl_(internal::MenuRunnerImplInterface::Create(menu_model, run_types)) {}
+      impl_(
+          internal::MenuRunnerImplInterface::Create(menu_model,
+                                                    run_types,
+                                                    on_menu_closed_callback)) {}
+
+MenuRunner::MenuRunner(ui::MenuModel* menu_model, int32_t run_types)
+    : MenuRunner(menu_model, run_types, base::Closure()) {}
 
 MenuRunner::MenuRunner(MenuItemView* menu_view, int32_t run_types)
     : run_types_(run_types), impl_(new internal::MenuRunnerImpl(menu_view)) {}