Adding Angular's DI package & Dart unittests which test it.

third_party/pkg/di/benchmark/module_benchmark.dart

Index: third_party/pkg/di/benchmark/module_benchmark.dart
diff --git a/third_party/pkg/di/benchmark/module_benchmark.dart b/third_party/pkg/di/benchmark/module_benchmark.dart
new file mode 100644
index 0000000000000000000000000000000000000000..cb18a5a926d21f6a461397d043453b120843cd15
--- /dev/null
+++ b/third_party/pkg/di/benchmark/module_benchmark.dart
@@ -0,0 +1,23 @@
+import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:di/di.dart';
+
+import 'injector_benchmark_common.dart';
+
+class ModuleBenchmark extends BenchmarkBase {
+  var injectorFactory;
+
+  ModuleBenchmark() : super('ModuleBenchmark');
+
+  void run() {
+    var m = new Module()
+      ..type(A)
+      ..type(B)
+      ..type(C)
+      ..type(D)
+      ..type(E);
+  }
+}
+
+main() {
+  new ModuleBenchmark().report();
+}