Turn Bookmark Menus Async

ui/views/controls/menu/menu_controller.h

Index: ui/views/controls/menu/menu_controller.h
diff --git a/ui/views/controls/menu/menu_controller.h b/ui/views/controls/menu/menu_controller.h
index 5e34416f83883b0231aeac7b1b2831a04f8e34f3..7c927fad14de9ab87de6c50c188d3240d1ebdedb 100644
--- a/ui/views/controls/menu/menu_controller.h
+++ b/ui/views/controls/menu/menu_controller.h
@@ -25,6 +25,14 @@
 #include "ui/views/controls/menu/menu_delegate.h"
 #include "ui/views/widget/widget_observer.h"
 
+#if defined(USE_AURA)
+namespace aura {
+namespace client {
+class ActivationChangeObserver;
+}  // namespace client
+}  // namespace aura
+#endif  // defined(USE_AURA)
+
 namespace ui {
 class OSExchangeData;
 class ScopedEventDispatcher;
@@ -318,10 +326,8 @@ class VIEWS_EXPORT MenuController : public WidgetObserver {
 
   ~MenuController() override;
 
-  // Runs the platform specific bits of the message loop. If |nested_menu| is
-  // true we're being asked to run a menu from within a menu (eg a context
-  // menu).
-  void RunMessageLoop(bool nested_menu);
+  // Runs the platform specific bits of the message loop.
+  void RunMessageLoop();
 
   // Invokes AcceleratorPressed() on the hot tracked view if there is one.
   // Returns true if AcceleratorPressed() was invoked.
@@ -700,6 +706,8 @@ class VIEWS_EXPORT MenuController : public WidgetObserver {
   std::unique_ptr<MenuMessageLoop> message_loop_;
 
 #if defined(USE_AURA)
+  std::unique_ptr<aura::client::ActivationChangeObserver>
+      activation_change_observer_;
   std::unique_ptr<MenuKeyEventHandler> key_event_handler_;
 #endif