Migrate block 163 to Dart 2.0.

tests/language_strong/variable_declaration_metadata_test.dart

-// Copyright (c) 2015, 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.
-
-// Verify that the individual variable declarations inside a variable
-// declaration list are not allowed to be annotated with metadata.
-
-const annotation = null;
-
-var
-  @annotation //# 01: compile-time error
-    v1,
-  @annotation //# 02: compile-time error
-    v2;
-
-int
-  @annotation //# 03: compile-time error
-    v3,
-  @annotation //# 04: compile-time error
-    v4;
-
-class C {
-  var
-    @annotation //# 05: compile-time error
-      f1,
-    @annotation //# 06: compile-time error
-      f2;
-
-  int
-    @annotation //# 07: compile-time error
-      f3,
-    @annotation //# 08: compile-time error
-      f4;
-}
-
-use(x) => x;
-
-main() {
-  use(v1);
-  use(v2);
-  use(v3);
-  use(v4);
-
-  C c = new C();
-  use(c.f1);
-  use(c.f2);
-  use(c.f3);
-  use(c.f4);
-
-  var
-    @annotation //# 09: compile-time error
-      l1,
-    @annotation //# 10: compile-time error
-      l2;
-
-  int
-    @annotation //# 11: compile-time error
-      l3,
-    @annotation //# 12: compile-time error
-      l4;
-
-  use(l1);
-  use(l2);
-  use(l3);
-  use(l4);
-
-  for (var
-         @annotation //# 13: compile-time error
-      i1 = 0,
-         @annotation //# 14: compile-time error
-      i2 = 0;;) {
-    use(i1);
-    use(i2);
-    break;
-  }
-
-  for (int
-         @annotation //# 15: compile-time error
-      i3 = 0,
-         @annotation //# 16: compile-time error
-      i4 = 0;;) {
-    use(i3);
-    use(i4);
-    break;
-  }
-}