Move tests using frog 'native' extension from tests/language to frog/tests

tests/language/src/NativeNamedConstructors2FrogTest.dart

Index: tests/language/src/NativeNamedConstructors2FrogTest.dart
diff --git a/tests/language/src/NativeNamedConstructors2FrogTest.dart b/tests/language/src/NativeNamedConstructors2FrogTest.dart
deleted file mode 100644
index 685949323eb5a56a39e3b17940a6edac57634161..0000000000000000000000000000000000000000
--- a/tests/language/src/NativeNamedConstructors2FrogTest.dart
+++ /dev/null
@@ -1,38 +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.
-
-// Hidden native class wwith named constructors and static methods.
-
-
-class A native "*A" {
-
-  factory A(int len) => _construct(len);
-
-  factory A.fromString(String s)  => _construct(s.length);
-
-  factory A.nativeConstructor(int a, int b) native @'return makeA(a+b);';
-
-  static A _construct(v) { return makeA(v); }
-
-  foo() native 'return this._x;';
-}
-
-makeA(v) native;
-
-void setup() native """
-// This code is all inside 'setup' and so not accesible from the global scope.
-function A(arg) { this._x = arg; }
-makeA = function(arg) { return new A(arg); }
-""";
-
-main() {
-  setup();
-  var a1 = new A(100);
-  var a2 = new A.fromString('Hello');
-  var a3 = new A.nativeConstructor(100, 2);
-
-  Expect.equals(100, a1.foo());
-  Expect.equals(5, a2.foo());
-  Expect.equals(102, a3.foo());
-}