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

frog/tests/leg/array_static_intercept_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.
-
-#import("compiler_helper.dart");
-
-final String TEST_ONE = @"""
-foo(a) {
-  a.add(42);
-  a.removeLast();
-  return a.length;
-}
-""";
-
-main() {
-  String generated = compile(TEST_ONE, 'foo');
-  Expect.isTrue(generated.contains(@'.add$1('));
-  Expect.isTrue(generated.contains(@'.removeLast('));
-  Expect.isTrue(generated.contains(@'.get$length('));
-}