Revert "Add typedef AST node boilerplate."

pkg/kernel/test/typedef_unalias_test.dart

Index: pkg/kernel/test/typedef_unalias_test.dart
diff --git a/pkg/kernel/test/typedef_unalias_test.dart b/pkg/kernel/test/typedef_unalias_test.dart
deleted file mode 100644
index 9457680dc894de34779dd64aba893e7a44657269..0000000000000000000000000000000000000000
--- a/pkg/kernel/test/typedef_unalias_test.dart
+++ /dev/null
@@ -1,68 +0,0 @@
-// 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.
-library kernel.typedef_unalias_test;
-
-import 'package:kernel/ast.dart';
-import 'package:test/test.dart';
-import 'verify_test.dart' show TestHarness;
-
-void harnessTest(String name, void doTest(TestHarness harness)) {
-  test(name, () {
-    doTest(new TestHarness());
-  });
-}
-
-main() {
-  harnessTest('`Foo` where typedef Foo = C', (TestHarness harness) {
-    var foo = new Typedef('Foo', harness.otherClass.rawType);
-    harness.enclosingLibrary.addTypedef(foo);
-    var type = new TypedefType(foo);
-    expect(type.unalias, equals(harness.otherClass.rawType));
-  });
-  harnessTest('`Foo<Obj>` where typedef Foo<T> = C<T>', (TestHarness harness) {
-    var param = harness.makeTypeParameter('T');
-    var foo = new Typedef('Foo',
-        new InterfaceType(harness.otherClass, [new TypeParameterType(param)]),
-        typeParameters: [param]);
-    harness.enclosingLibrary.addTypedef(foo);
-    var input = new TypedefType(foo, [harness.objectClass.rawType]);
-    var expected =
-        new InterfaceType(harness.otherClass, [harness.objectClass.rawType]);
-    expect(input.unalias, equals(expected));
-  });
-  harnessTest('`Bar<Obj>` where typedef Bar<T> = Foo<T>, Foo<T> = C<T>',
-      (TestHarness harness) {
-    var fooParam = harness.makeTypeParameter('T');
-    var foo = new Typedef(
-        'Foo',
-        new InterfaceType(
-            harness.otherClass, [new TypeParameterType(fooParam)]),
-        typeParameters: [fooParam]);
-    var barParam = harness.makeTypeParameter('T');
-    var bar = new Typedef(
-        'Bar', new TypedefType(foo, [new TypeParameterType(barParam)]),
-        typeParameters: [barParam]);
-    harness.enclosingLibrary.addTypedef(foo);
-    harness.enclosingLibrary.addTypedef(bar);
-    var input = new TypedefType(bar, [harness.objectClass.rawType]);
-    var expected =
-        new InterfaceType(harness.otherClass, [harness.objectClass.rawType]);
-    expect(input.unalias, equals(expected));
-  });
-  harnessTest('`Foo<Foo<C>>` where typedef Foo<T> = C<T>',
-      (TestHarness harness) {
-    var param = harness.makeTypeParameter('T');
-    var foo = new Typedef('Foo',
-        new InterfaceType(harness.otherClass, [new TypeParameterType(param)]),
-        typeParameters: [param]);
-    harness.enclosingLibrary.addTypedef(foo);
-    var input = new TypedefType(foo, [
-      new TypedefType(foo, [harness.objectClass.rawType])
-    ]);
-    var expected = new InterfaceType(harness.otherClass, [
-      new TypedefType(foo, [harness.objectClass.rawType])
-    ]);
-    expect(input.unalias, equals(expected));
-  });
-}