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

frog/tests/leg_only/return_setter_test.dart

Index: frog/tests/leg_only/return_setter_test.dart
===================================================================
--- frog/tests/leg_only/return_setter_test.dart	(revision 8644)
+++ frog/tests/leg_only/return_setter_test.dart	(working copy)
@@ -1,25 +0,0 @@
-// 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.
-
-class A {
-  int foo;
-
-  static int invocations;
-
-  static bar() {
-    Expect.equals(0, invocations);
-    invocations++;
-    return 2;
-  }
-}
-
-main() {
-  A.invocations = 0;
-
-  int a = (new A().foo = 2);
-  Expect.equals(2, a);
-
-  a = (new A().foo = A.bar());
-  Expect.equals(2, a);
-}