Allow gaming_seat to use ozone gamepad as back-end

components/exo/wayland/server.cc

Index: components/exo/wayland/server.cc
diff --git a/components/exo/wayland/server.cc b/components/exo/wayland/server.cc
index e541591d3e903afb76ed5383054e4e9e57f4b1b2..47f1b5c767558b8fdf9a0ecd7d3767203e9428ef 100644
--- a/components/exo/wayland/server.cc
+++ b/components/exo/wayland/server.cc
@@ -3565,7 +3565,7 @@ void gaming_input_get_gaming_seat(wl_client* client,
   SetImplementation(gaming_seat_resource, &gaming_seat_implementation,
                     base::MakeUnique<GamingSeat>(
                         new WaylandGamingSeatDelegate(gaming_seat_resource),
-                        gaming_input_thread->task_runner().get()));
+                        gaming_input_thread));
 }
 
 void gaming_input_destroy(wl_client* client, wl_resource* resource) {
@@ -3582,13 +3582,9 @@ void bind_gaming_input(wl_client* client,
   wl_resource* resource =
       wl_resource_create(client, &zcr_gaming_input_v2_interface, version, id);
 
-  std::unique_ptr<base::Thread> gaming_input_thread(
-      new base::Thread("Exo gaming input polling thread."));
-  gaming_input_thread->StartWithOptions(
-      base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
-
-  SetImplementation(resource, &gaming_input_implementation,
-                    std::move(gaming_input_thread));
+  SetImplementation(
+      resource, &gaming_input_implementation,
+      std::unique_ptr<base::Thread>(GamingSeat::CreatePollingThreadIfNeeded()));
 }
 
 ////////////////////////////////////////////////////////////////////////////////