mash: changes can_accept_events to an enum

services/ui/ws/window_tree.h

Index: services/ui/ws/window_tree.h
diff --git a/services/ui/ws/window_tree.h b/services/ui/ws/window_tree.h
index 7ccf7d01790d424dc29d664a90c974e77a35186f..ea6dd8b3f39c42b7ab9ada68409a368d9043624b 100644
--- a/services/ui/ws/window_tree.h
+++ b/services/ui/ws/window_tree.h
@@ -425,8 +425,8 @@ class WindowTree : public mojom::WindowTree,
              const EmbedCallback& callback) override;
   void SetFocus(uint32_t change_id, Id transport_window_id) override;
   void SetCanFocus(Id transport_window_id, bool can_focus) override;
-  void SetCanAcceptEvents(Id transport_window_id,
-                          bool can_accept_events) override;
+  void SetEventTargetingPolicy(Id transport_window_id,
+                               mojom::EventTargetingPolicy policy) override;
   void SetPredefinedCursor(uint32_t change_id,
                            Id transport_window_id,
                            ui::mojom::Cursor cursor_id) override;