mus: Disregard windows that explicitly set can_accept_events to be false when sending events.

services/ui/public/cpp/lib/window_tree_client.cc

Index: services/ui/public/cpp/lib/window_tree_client.cc
diff --git a/services/ui/public/cpp/lib/window_tree_client.cc b/services/ui/public/cpp/lib/window_tree_client.cc
index 570d3e10d63b5c0b8b3995c1b1dfd3e4a4e80204..b8ba7faa18db4c975ea8e663f932e9f1111b3cdb 100644
--- a/services/ui/public/cpp/lib/window_tree_client.cc
+++ b/services/ui/public/cpp/lib/window_tree_client.cc
@@ -705,6 +705,11 @@ void WindowTreeClient::RemoveObserver(WindowTreeClientObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
+void WindowTreeClient::SetAcceptEvents(Id window_id, bool accept_events) {
+  DCHECK(tree_);
+  tree_->SetAcceptEvents(window_id, accept_events);
+}
+
 void WindowTreeClient::OnEmbed(ClientSpecificId client_id,
                                    mojom::WindowDataPtr root_data,
                                    mojom::WindowTreePtr tree,