mash: changes can_accept_events to an enum

services/ui/public/interfaces/window_tree.mojom

Index: services/ui/public/interfaces/window_tree.mojom
diff --git a/services/ui/public/interfaces/window_tree.mojom b/services/ui/public/interfaces/window_tree.mojom
index d2343dbf791bcff7713eaaa2ac630d8b6d30557a..e60649005adf7d652baf419e4685c15e986595b5 100644
--- a/services/ui/public/interfaces/window_tree.mojom
+++ b/services/ui/public/interfaces/window_tree.mojom
@@ -253,9 +253,8 @@ interface WindowTree {
   // Otherwise the existing state is used.
   SetImeVisibility(uint32 window_id, bool visible, mojo.TextInputState? state);
 
-  // Set whether the specified window can accept events. If a window does not
-  // accept events, none of its descendant windows accept events either.
-  SetCanAcceptEvents(uint32 window_id, bool accept_events);
+  // Sets the EventTargetingPolicy. See EventTargetingPolicy for details.
+  SetEventTargetingPolicy(uint32 window_id, EventTargetingPolicy policy);
 
   // See documentation for WindowTreeClient::OnWindowInputEvent().
   OnWindowInputEventAck(uint32 event_id, EventResult result);