Views: Expose an on_closed callback via the MenuRunner constructor.

ui/views/controls/menu/menu_runner_impl_adapter.h

Index: ui/views/controls/menu/menu_runner_impl_adapter.h
diff --git a/ui/views/controls/menu/menu_runner_impl_adapter.h b/ui/views/controls/menu/menu_runner_impl_adapter.h
index 9d4fceca2a4be32b90d8aa5a9fe724745d02ef10..09569e4f9020bf17cff9d71be309b286f6c7ed8d 100644
--- a/ui/views/controls/menu/menu_runner_impl_adapter.h
+++ b/ui/views/controls/menu/menu_runner_impl_adapter.h
@@ -9,6 +9,7 @@
 
 #include "base/macros.h"
 #include "ui/views/controls/menu/menu_runner_impl_interface.h"
+#include "ui/views/views_export.h"
 
 namespace views {
 namespace internal {
@@ -16,9 +17,11 @@ namespace internal {
 class MenuRunnerImpl;
 
 // Given a MenuModel, adapts MenuRunnerImpl which expects a MenuItemView.
-class MenuRunnerImplAdapter : public MenuRunnerImplInterface {
+class VIEWS_EXPORT MenuRunnerImplAdapter
+    : public NON_EXPORTED_BASE(MenuRunnerImplInterface) {
  public:
-  explicit MenuRunnerImplAdapter(ui::MenuModel* menu_model);
+  MenuRunnerImplAdapter(ui::MenuModel* menu_model,
+                        const base::Closure& on_menu_closed_callback);
 
   // MenuRunnerImplInterface:
   bool IsRunning() const override;