Properly parse > in end of types.

frog/tests/leg/unparser_test.dart

+// Copyright (c) 2012, 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.
+
+#import('parser_helper.dart');
+#import("../../../lib/compiler/implementation/tree/tree.dart");
+
+testUnparse(String statement) {
+  Node node = parseStatement(statement);
+  Expect.equals(statement, node.unparse(false));
+}
+
+testGenericTypes() {
+  testUnparse('var x=new List<List<int>>();');
+  testUnparse('var x=new List<List<List<int>>>();');
+  testUnparse('var x=new List<List<List<List<int>>>>();');
+  testUnparse('var x=new List<List<List<List<List<int>>>>>();');
+}
+
+main() {
+  testGenericTypes();
+}