Mojo C++ bindings: remove usage of AssociatedGroup from content/

content/child/indexed_db/webidbdatabase_impl.cc

Index: content/child/indexed_db/webidbdatabase_impl.cc
diff --git a/content/child/indexed_db/webidbdatabase_impl.cc b/content/child/indexed_db/webidbdatabase_impl.cc
index 76179f54afd470e61fd99a958aa5447d334802a7..7a2f2ef34fd7286562f04e285eb8a8ba91c0f3f4 100644
--- a/content/child/indexed_db/webidbdatabase_impl.cc
+++ b/content/child/indexed_db/webidbdatabase_impl.cc
@@ -692,9 +692,7 @@ CallbacksAssociatedPtrInfo
 WebIDBDatabaseImpl::IOThreadHelper::GetCallbacksProxy(
     std::unique_ptr<IndexedDBCallbacksImpl> callbacks) {
   CallbacksAssociatedPtrInfo ptr_info;
-  indexed_db::mojom::CallbacksAssociatedRequest request;
-  database_.associated_group()->CreateAssociatedInterface(
-      mojo::AssociatedGroup::WILL_PASS_PTR, &ptr_info, &request);
+  auto request = mojo::MakeRequest(&ptr_info);
   mojo::MakeStrongAssociatedBinding(std::move(callbacks), std::move(request));
   return ptr_info;
 }