Add "point of interest" app for command-line testing of dart2js type information.

dart/tests/try/web/paste_content_rewriting_test.dart

Index: dart/tests/try/web/paste_content_rewriting_test.dart
diff --git a/dart/tests/try/paste_content_rewriting_test.dart b/dart/tests/try/web/paste_content_rewriting_test.dart
similarity index 95%
rename from dart/tests/try/paste_content_rewriting_test.dart
rename to dart/tests/try/web/paste_content_rewriting_test.dart
index 6583c75f06720c4db5aebce3553b7eec63dab6a8..f80bddc271d0a827de67a8e5c075aec00ac548d4 100644
--- a/dart/tests/try/paste_content_rewriting_test.dart
+++ b/dart/tests/try/web/paste_content_rewriting_test.dart
@@ -17,8 +17,8 @@ import 'package:try/src/ui.dart' show
 import 'package:try/src/user_option.dart' show
     UserOption;
 
-import '../../pkg/expect/lib/expect.dart';
-import '../../pkg/async_helper/lib/async_helper.dart';
+import 'package:expect/expect.dart';
+import 'package:async_helper/async_helper.dart';
 
 const Map<String, String> tests = const <String, String> {
   '<span><p>//...</p>}</span>': '//...\n}',