Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/.

frog/tests/leg_only/list_factory_test.dart

-// Copyright (c) 2011, 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.
-
-main() {
-  var a = new List(4);
-  Expect.equals(4, a.length);
-  a[0] = 42;
-  a[1] = 43;
-  a[2] = 44;
-  a[3] = 45;
-  for (int i = 0; i < a.length; i++) {
-    Expect.equals(42 + i, a[i]);
-  }
-
-  a = new List();
-  a.add(42);
-  a.add(43);
-  a.add(44);
-  a.add(45);
-  Expect.equals(4, a.length);
-  for (int i = 0; i < a.length; i++) {
-    Expect.equals(42 + i, a[i]);
-  }
-}