Check in codegen test expectations.

test/codegen/expect/language/implicit_closure2_test.js

Index: test/codegen/expect/language/implicit_closure2_test.js
diff --git a/test/codegen/expect/language/implicit_closure2_test.js b/test/codegen/expect/language/implicit_closure2_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..8f6d43ea0ae7d0594f9788c60f9c24c755de3eab
--- /dev/null
+++ b/test/codegen/expect/language/implicit_closure2_test.js
@@ -0,0 +1,41 @@
+dart_library.library('language/implicit_closure2_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__implicit_closure2_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const implicit_closure2_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  implicit_closure2_test.B = class B extends core.Object {
+    foo(i) {
+      return 499 + dart.notNull(core.num._check(i));
+    }
+  };
+  dart.setSignature(implicit_closure2_test.B, {
+    methods: () => ({foo: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+  });
+  implicit_closure2_test.A = class A extends core.Object {
+    new() {
+      this.b = new implicit_closure2_test.B();
+    }
+    foo(i) {
+      return dart.fn(() => dart.dsend(this.b, 'foo', i), VoidTodynamic())();
+    }
+  };
+  dart.setSignature(implicit_closure2_test.A, {
+    constructors: () => ({new: dart.definiteFunctionType(implicit_closure2_test.A, [])}),
+    methods: () => ({foo: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+  });
+  implicit_closure2_test.main = function() {
+    let a = new implicit_closure2_test.A();
+    expect$.Expect.equals(510, a.foo(11));
+    let f = dart.bind(a, 'foo');
+    expect$.Expect.equals(521, dart.dcall(f, 22));
+  };
+  dart.fn(implicit_closure2_test.main, VoidTodynamic());
+  // Exports:
+  exports.implicit_closure2_test = implicit_closure2_test;
+});