Check in codegen test expectations.

test/codegen/expect/language/default_factory3_test.js

Index: test/codegen/expect/language/default_factory3_test.js
diff --git a/test/codegen/expect/language/default_factory3_test.js b/test/codegen/expect/language/default_factory3_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..be2094a1b7d834153c2530d4f9d903a7e4b47df7
--- /dev/null
+++ b/test/codegen/expect/language/default_factory3_test.js
@@ -0,0 +1,50 @@
+dart_library.library('language/default_factory3_test', null, /* Imports */[
+  'dart_sdk'
+], function load__default_factory3_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const default_factory3_test = Object.create(null);
+  let A = () => (A = dart.constFn(default_factory3_test.A$()))();
+  let _AImpl = () => (_AImpl = dart.constFn(default_factory3_test._AImpl$()))();
+  let AOfMoo = () => (AOfMoo = dart.constFn(default_factory3_test.A$(default_factory3_test.Moo)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  default_factory3_test.A$ = dart.generic(T => {
+    let _AImplOfT = () => (_AImplOfT = dart.constFn(default_factory3_test._AImpl$(T)))();
+    class A extends core.Object {
+      static new() {
+        return _AImplOfT().new();
+      }
+    }
+    dart.addTypeTests(A);
+    dart.setSignature(A, {
+      constructors: () => ({new: dart.definiteFunctionType(default_factory3_test.A$(T), [])})
+    });
+    return A;
+  });
+  default_factory3_test.A = A();
+  default_factory3_test.Bar = class Bar extends core.Object {};
+  default_factory3_test.Foo = class Foo extends default_factory3_test.Bar {};
+  default_factory3_test.Moo = class Moo extends default_factory3_test.Foo {};
+  default_factory3_test._AImpl$ = dart.generic(T => {
+    let AOfT = () => (AOfT = dart.constFn(default_factory3_test.A$(T)))();
+    class _AImpl extends core.Object {
+      static new() {
+      }
+    }
+    dart.addTypeTests(_AImpl);
+    _AImpl[dart.implements] = () => [AOfT()];
+    dart.setSignature(_AImpl, {
+      constructors: () => ({new: dart.definiteFunctionType(default_factory3_test._AImpl$(T), [])})
+    });
+    return _AImpl;
+  });
+  default_factory3_test._AImpl = _AImpl();
+  default_factory3_test.main = function() {
+    let result = AOfMoo().new();
+  };
+  dart.fn(default_factory3_test.main, VoidTodynamic());
+  // Exports:
+  exports.default_factory3_test = default_factory3_test;
+});