Convert content ConnectionFilter to OnBindInterface

services/service_manager/service_manager.cc

Index: services/service_manager/service_manager.cc
diff --git a/services/service_manager/service_manager.cc b/services/service_manager/service_manager.cc
index 99b9869ee5b99b844139621efe4698041b13fee5..e3532537ce9f91ef19695cd21b4bedd84e1e4c47 100644
--- a/services/service_manager/service_manager.cc
+++ b/services/service_manager/service_manager.cc
@@ -212,8 +212,10 @@ class ServiceManager::Instance
       return false;
     }
 
-    params->bind_interface_callback().Run(mojom::ConnectResult::SUCCEEDED,
-                                          identity_.user_id());
+    if (!params->bind_interface_callback().is_null()) {
+      params->bind_interface_callback().Run(mojom::ConnectResult::SUCCEEDED,
+                                            identity_.user_id());
+    }
 
     pending_service_connections_++;
     service_->OnBindInterface(