Check in codegen test expectations.

test/codegen/expect/language/deferred_function_type_test.js

Index: test/codegen/expect/language/deferred_function_type_test.js
diff --git a/test/codegen/expect/language/deferred_function_type_test.js b/test/codegen/expect/language/deferred_function_type_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..ab50a30df76e89b4b4a41980d0e13d31b553ae3b
--- /dev/null
+++ b/test/codegen/expect/language/deferred_function_type_test.js
@@ -0,0 +1,40 @@
+dart_library.library('language/deferred_function_type_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__deferred_function_type_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 deferred_function_type_test = Object.create(null);
+  const deferred_function_type_lib = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  deferred_function_type_test.main = function() {
+    loadLibrary().then(dart.dynamic)(dart.fn(_ => {
+      deferred_function_type_lib.runTest();
+    }, dynamicTodynamic()));
+  };
+  dart.fn(deferred_function_type_test.main, VoidTodynamic());
+  deferred_function_type_lib.T = class T extends core.Object {
+    foo(x) {}
+  };
+  dart.setSignature(deferred_function_type_lib.T, {
+    methods: () => ({foo: dart.definiteFunctionType(deferred_function_type_lib.A, [core.int])})
+  });
+  deferred_function_type_lib.A = class A extends core.Object {};
+  deferred_function_type_lib.F = dart.typedef('F', () => dart.functionType(deferred_function_type_lib.A, [core.int]));
+  deferred_function_type_lib.use = function(x) {
+    return x;
+  };
+  dart.fn(deferred_function_type_lib.use, dynamicTodynamic());
+  deferred_function_type_lib.runTest = function() {
+    deferred_function_type_lib.use(new deferred_function_type_lib.A());
+    expect$.Expect.isTrue(deferred_function_type_lib.F.is(dart.bind(new deferred_function_type_lib.T(), 'foo')));
+  };
+  dart.fn(deferred_function_type_lib.runTest, VoidTodynamic());
+  // Exports:
+  exports.deferred_function_type_test = deferred_function_type_test;
+  exports.deferred_function_type_lib = deferred_function_type_lib;
+});