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

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

Index: services/ui/public/cpp/lib/window.cc
diff --git a/services/ui/public/cpp/lib/window.cc b/services/ui/public/cpp/lib/window.cc
index ae25fcd96b16f8520db135671fedc7962c8ddcb2..f3dde513a2be1adc17ca0941ff69ecab00188685 100644
--- a/services/ui/public/cpp/lib/window.cc
+++ b/services/ui/public/cpp/lib/window.cc
@@ -447,6 +447,14 @@ void Window::SetCanFocus(bool can_focus) {
     client_->SetCanFocus(server_id_, can_focus);
 }
 
+void Window::SetCanAcceptEvents(bool can_accept_events) {
+  if (can_accept_events_ == can_accept_events)
+    return;
+  can_accept_events_ = can_accept_events;
+  if (client_)
+    client_->SetCanAcceptEvents(server_id_, can_accept_events_);
+}
+
 void Window::Embed(ui::mojom::WindowTreeClientPtr client, uint32_t flags) {
   Embed(std::move(client), base::Bind(&EmptyEmbedCallback), flags);
 }