Add TypeVariableMirror.isStatic to the API and dart2js.

tests/lib/mirrors/type_variable_is_static_test.dart

Index: tests/lib/mirrors/type_variable_is_static_test.dart
diff --git a/tests/language/vm/reflect_core_vm_test.dart b/tests/lib/mirrors/type_variable_is_static_test.dart
similarity index 57%
copy from tests/language/vm/reflect_core_vm_test.dart
copy to tests/lib/mirrors/type_variable_is_static_test.dart
index 2474b216f7bf0b641535f0b18af4573eb9c7e723..14209da99c91e4ff3d2c8c723695c131f758997d 100644
--- a/tests/language/vm/reflect_core_vm_test.dart
+++ b/tests/lib/mirrors/type_variable_is_static_test.dart
@@ -2,14 +2,16 @@
 // 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 reflection of private functions in core classes.
+library test.type_variable_owner;
 
-import "package:expect/expect.dart";
 import "dart:mirrors";
 
+import "package:expect/expect.dart";
+
+class C<T> {}
+typedef bool Predicate<T>(T t);
+
 main() {
-  var s = "string";
-  var im = reflect(s);
-  Expect.throws(() => im.invoke(const Symbol("_setAt"), [0, 65]), (e) => e is NoSuchMethodError);
+  Expect.isFalse(reflectType(C).typeVariables.single.isStatic);
+  Expect.isFalse(reflectType(Predicate).typeVariables.single.isStatic);
 }
-