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

third_party/pkg/di/benchmark/static_injector_benchmark.dart

+import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:di/static_injector.dart';
+
+import 'injector_benchmark_common.dart';
+
+main() {
+  var typeFactories = new Map();
+  typeFactories[A] = (f) => new A(f(B), f(C));
+  typeFactories[B] = (f) => new B(f(D), f(E));
+  typeFactories[C] = (f) => new C();
+  typeFactories[D] = (f) => new D();
+  typeFactories[E] = (f) => new E();
+
+  new InjectorBenchmark('StaticInjectorBenchmark',
+      (m) => new StaticInjector(modules: m, typeFactories: typeFactories)
+  ).report();
+}