refactor(benchmark): clean up UniversalChainBenchmark, remove async logic, keep only sync scenario logic

benchmark_cherrypick/lib/benchmarks/universal_chain_async_benchmark.dart

@@ -0,0 +1,41 @@
+import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:benchmark_cherrypick/di_adapters/di_adapter.dart';
+import 'package:benchmark_cherrypick/scenarios/universal_chain_module.dart';
+import 'package:benchmark_cherrypick/scenarios/universal_service.dart';
+
+class UniversalChainAsyncBenchmark extends AsyncBenchmarkBase {
+  final DIAdapter di;
+  final int chainCount;
+  final int nestingDepth;
+  final UniversalBindingMode mode;
+
+  UniversalChainAsyncBenchmark(
+    this.di, {
+    this.chainCount = 1,
+    this.nestingDepth = 3,
+    this.mode = UniversalBindingMode.asyncStrategy,
+  }) : super('UniversalAsync: asyncChain/$mode CD=$chainCount/$nestingDepth');
+
+  @override
+  Future<void> setup() async {
+    di.setupModules([
+      UniversalChainModule(
+        chainCount: chainCount,
+        nestingDepth: nestingDepth,
+        bindingMode: mode,
+        scenario: UniversalScenario.asyncChain,
+      )
+    ]);
+  }
+
+  @override
+  Future<void> teardown() async {
+    di.teardown();
+  }
+
+  @override
+  Future<void> run() async {
+    final serviceName = '${chainCount}_$nestingDepth';
+    await di.resolveAsync<UniversalService>(named: serviceName);
+  }
+}