2 files changed, 6 insertions, 5 deletions
diff --git a/ui/views/mus/platform_window_mus.cc b/ui/views/mus/platform_window_mus.cc
index 3961390..2a1fc4e 100644
--- a/ui/views/mus/platform_window_mus.cc
+++ b/ui/views/mus/platform_window_mus.cc
@@ -223,11 +223,11 @@ void PlatformWindowMus::OnRequestClose(mus::Window* window) {
 void PlatformWindowMus::OnWindowInputEvent(
     mus::Window* view,
     mus::mojom::EventPtr event,
-    scoped_ptr<base::Closure>* ack_callback) {
+    scoped_ptr<base::Callback<void(bool)>>* ack_callback) {
   // It's possible dispatching the event will spin a nested message loop. Ack
   // the callback now, otherwise we appear unresponsive for the life of the
   // nested message loop.
-  (*ack_callback)->Run();
+  (*ack_callback)->Run(true);
   ack_callback->reset();
   scoped_ptr<ui::Event> ui_event(event.To<scoped_ptr<ui::Event>>());
   delegate_->DispatchEvent(ui_event.get());
diff --git a/ui/views/mus/platform_window_mus.h b/ui/views/mus/platform_window_mus.h
index 2d95a21..725430c 100644
--- a/ui/views/mus/platform_window_mus.h
+++ b/ui/views/mus/platform_window_mus.h
@@ -82,9 +82,10 @@ class VIEWS_MUS_EXPORT PlatformWindowMus
   void OnRequestClose(mus::Window* window) override;
 
   // mus::InputEventHandler:
-  void OnWindowInputEvent(mus::Window* view,
-                          mus::mojom::EventPtr event,
-                          scoped_ptr<base::Closure>* ack_callback) override;
+  void OnWindowInputEvent(
+      mus::Window* view,
+      mus::mojom::EventPtr event,
+      scoped_ptr<base::Callback<void(bool)>>* ack_callback) override;
 
   ui::PlatformWindowDelegate* delegate_;
   mus::Window* mus_window_;