Reapply change to hide VM-only List implementation classes.

tests/corelib/growable_object_array2_vm_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.
-// Test GrowableArray.dart.
-
-#library("GrowableObjectArray2Test.dart");
-#import("dart:coreimpl");
-
-class GrowableObjectArray2Test {
-  static testMain() {
-    var g = new GrowableObjectArray();
-    Expect.equals(true, g is List);
-    Expect.equals(true, g is GrowableObjectArray);
-    Expect.equals(true, g.isEmpty());
-    for (int i = 0; i < 100; i++) {
-      g.add(1);
-    }
-    g.add(1001);
-    Expect.equals(101, g.length);
-    Expect.equals(1001, g[100]);
-    Expect.equals(false, g.isEmpty());
-    Expect.equals(1001, g.last());
-    Expect.equals(1001, g.removeLast());
-    Expect.equals(100, g.length);
-
-    var f = new GrowableObjectArray();
-    var list = new List(20);
-    for (int i = 0; i < list.length; i++) {
-      f.add(2);
-      list[i] = 5;
-    }
-    list.setRange(0, f.length, f, 0);
-    for (int i = 0; i < f.length; i++) {
-      Expect.equals(2, list[i]);
-    }
-    f.setRange(0, 2, g, 10);
-    Expect.equals(20, f.length);
-
-    bool exceptionCaught = false;
-    try {
-      var elem = g[g.length];
-    } on IndexOutOfRangeException catch (e) {
-      exceptionCaught = true;
-    }
-    Expect.equals(true, exceptionCaught);
-
-    List<int> plainArray = [4, 3, 9, 12, -4, 9];
-    GrowableObjectArray h = new GrowableObjectArray.withCapacity(4);
-    plainArray.forEach((elem) { h.add(elem); });
-    int compare(a, b) {
-      if (a < b) return -1;
-      if (a > b) return 1;
-      return 0;
-    }
-    h.sort(compare);
-    Expect.equals(6, h.length);
-    Expect.equals(-4, h[0]);
-    Expect.equals(12, h[h.length - 1]);
-    Set<int> t = new Set<int>.from(h);
-    Expect.equals(true, t.contains(9));
-    Expect.equals(true, t.contains(-4));
-    Expect.equals(false, t.contains(-3));
-    Expect.equals(5, t.length);
-
-    h.clear();
-    List array = const [0, 1, 2, 3, 4];
-    h.addAll(array);
-    Expect.equals(5, h.length);
-  }
-}
-
-main() {
-  GrowableObjectArray2Test.testMain();
-}