Revert "Reland "Merge more Kernel infrastructure from kernel_sdk SDK fork.""

tests/kernel/unsorted/field_dispatcher_test.dart

-// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'expect.dart';
-
-class A {
-  Function fun;
-  A(this.fun);
-}
-
-globalFunctionPositional(int a, [int b = 42]) => a + b;
-
-globalFunctionNamed(int a, {int b: 42}) => a + b;
-
-class Foo {
-  int base;
-
-  Foo(this.base);
-
-  methodFunctionPositional(int a, [int b = 42]) => base + a + b;
-
-  methodFunctionNamed(int a, {int b: 42}) => base + a + b;
-}
-
-main() {
-  Expect.isTrue(new A(globalFunctionPositional).fun(1, 2) == 3);
-  Expect.isTrue(new A(globalFunctionPositional).fun(1) == 43);
-  Expect.isTrue(new A(globalFunctionNamed).fun(1, b: 2) == 3);
-  Expect.isTrue(new A(globalFunctionNamed).fun(1) == 43);
-
-  var foo = new Foo(100);
-  Expect.isTrue(new A(foo.methodFunctionPositional).fun(1, 2) == 103);
-  Expect.isTrue(new A(foo.methodFunctionPositional).fun(1) == 143);
-  Expect.isTrue(new A(foo.methodFunctionNamed).fun(1, b: 2) == 103);
-  Expect.isTrue(new A(foo.methodFunctionNamed).fun(1) == 143);
-}