Fix type variables in closures.

tests/language/type_variable_closure_test.dart

Index: tests/language/type_variable_closure_test.dart
diff --git a/tests/language/cascade_in_initializer_list_test.dart b/tests/language/type_variable_closure_test.dart
similarity index 51%
copy from tests/language/cascade_in_initializer_list_test.dart
copy to tests/language/type_variable_closure_test.dart
index 8e7e9ee11e9fa950fa4db917c36c135d5bec357f..883eaaccbc0d01ffe50baa1b08ee19840ff0765d 100644
--- a/tests/language/cascade_in_initializer_list_test.dart
+++ b/tests/language/type_variable_closure_test.dart
@@ -4,20 +4,19 @@
 
 import "package:expect/expect.dart";
 
-class A {
-  foo() {}
-  bar() {}
-}
-
-class B {
+class C<T> {
+  C.foo() {
+    x = (a) => a is T;
+  }
+  C.bar() {
+    x = (a) => a is! T;
+  }
   var x;
-  final y;
-
-  B(a) : x = a..foo()..bar(), y = a..foo()..bar() {}
 }
 
 main() {
-  var a = new A(), b = new B(a);
-  Expect.equals(a, b.x);
-  Expect.equals(a, b.y);
-}  
+  Expect.isTrue(new C<int>.foo().x(1));
+  Expect.isFalse(new C<int>.foo().x('1'));
+  Expect.isFalse(new C<int>.bar().x(1));
+  Expect.isTrue(new C<int>.bar().x('1'));
+}