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

frog/tests/frog_native/native_class_avoids_hidden_name_frog_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 that hidden native class names are not used by generated code.
-
-class A native "*B" {
-  get name() => 'A';
-  static A create() => makeA();
-}
-
-class B native "*C" {
-  get name() => 'B';
-  static B create() => makeB();
-}
-
-class C {  // Ordinary class with name clashing with native class.
-  get name() => 'C';
-  static C create() => new C();
-}
-
-makeA() native;
-makeB() native;
-
-void setup1() native """
-// Poison hidden native names 'B' and 'C' to prove the compiler didn't place
-// anthing on the hidden native class.
-B = null;
-C = null;
-""";
-
-void setup2() native """
-// This code is all inside 'setup' and so not accesible from the global scope.
-function B(){}
-function C(){}
-makeA = function(){return new B};  // A is "*B"
-makeB = function(){return new C};  // B is "*C"
-""";
-
-int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
-
-main() {
-  setup1();
-  setup2();
-
-  var things = [A.create(), B.create(), C.create()];
-  var a = things[inscrutable(0)];
-  var b = things[inscrutable(1)];
-  var c = things[inscrutable(2)];
-
-  Expect.equals('A', a.name);
-  Expect.equals('B', b.name);
-  Expect.equals('C', c.name);
-}