Check in codegen test expectations.

test/codegen/expect/language/call_this_test.js

Index: test/codegen/expect/language/call_this_test.js
diff --git a/test/codegen/expect/language/call_this_test.js b/test/codegen/expect/language/call_this_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..18442649c0ab76a7583974ff52c8285a920039e7
--- /dev/null
+++ b/test/codegen/expect/language/call_this_test.js
@@ -0,0 +1,45 @@
+dart_library.library('language/call_this_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__call_this_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 call_this_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  call_this_test.A = dart.callableClass(function A(...args) {
+    const self = this;
+    function call(...args) {
+      return self.call.apply(self, args);
+    }
+    call.__proto__ = this.__proto__;
+    call.new.apply(call, args);
+    return call;
+  }, class A extends core.Object {
+    call() {
+      return 42;
+    }
+    test1() {
+      return this();
+    }
+    test2() {
+      return this();
+    }
+  });
+  dart.setSignature(call_this_test.A, {
+    methods: () => ({
+      call: dart.definiteFunctionType(dart.dynamic, []),
+      test1: dart.definiteFunctionType(dart.dynamic, []),
+      test2: dart.definiteFunctionType(dart.dynamic, [])
+    })
+  });
+  call_this_test.main = function() {
+    expect$.Expect.equals(42, new call_this_test.A().test1());
+    expect$.Expect.equals(42, new call_this_test.A().test2());
+  };
+  dart.fn(call_this_test.main, VoidTodynamic());
+  // Exports:
+  exports.call_this_test = call_this_test;
+});