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

third_party/pkg/di/lib/reflected_type.dart

Index: third_party/pkg/di/lib/reflected_type.dart
diff --git a/third_party/pkg/di/lib/reflected_type.dart b/third_party/pkg/di/lib/reflected_type.dart
new file mode 100644
index 0000000000000000000000000000000000000000..f58c5f0a94ec0edaee8972d08ce0160ad5ba09ed
--- /dev/null
+++ b/third_party/pkg/di/lib/reflected_type.dart
@@ -0,0 +1,27 @@
+library di.src.reflected_type;
+
+// These are used by _getReflectedTypeWorkaround, see http://dartbug.com/12607
+@MirrorsUsed(targets:
+    const ['_js_helper.createRuntimeType', 'dart._js_mirrors.JsClassMirror'],
+    override: 'di.src.reflected_type')
+import 'dart:mirrors';
+
+// Horrible hack to work around: http://dartbug.com/12607
+Type getReflectedTypeWorkaround(ClassMirror cls) {
+  // On Dart VM, just return reflectedType.
+  if (1.0 is! int) return cls.reflectedType;
+
+  var mangledName = reflect(cls).getField(_mangledNameField).reflectee;
+  Type type = _jsHelper.invoke(#createRuntimeType, [mangledName]).reflectee;
+  return type;
+}
+
+final LibraryMirror _jsHelper =
+    currentMirrorSystem().libraries[Uri.parse('dart:_js_helper')];
+
+final Symbol _mangledNameField = () {
+  var jsClassMirrorMirror = reflect(reflectClass(ClassMirror)).type;
+  for (var name in jsClassMirrorMirror.declarations.keys) {
+    if (MirrorSystem.getName(name) == '_mangledName') return name;
+  }
+}();