Update imports to use package:compiler and package:try.

dart/tests/try/paste_content_rewriting_test.dart

Index: dart/tests/try/paste_content_rewriting_test.dart
diff --git a/dart/tests/try/paste_content_rewriting_test.dart b/dart/tests/try/paste_content_rewriting_test.dart
index f16c3d86b327789acdcd25a56775da39751d1b52..d04e7acbc03078a0eed7a29a13f8184e1a4bb995 100644
--- a/dart/tests/try/paste_content_rewriting_test.dart
+++ b/dart/tests/try/paste_content_rewriting_test.dart
@@ -2,21 +2,19 @@
 // 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.
 
-// SharedOptions=--package-root=sdk/lib/_internal/
-
 library trydart.paste_test;
 
 import 'dart:html';
 import 'dart:async';
 
-import '../../site/try/src/interaction_manager.dart' show
+import 'package:try/src/interaction_manager.dart' show
     InteractionManager;
 
-import '../../site/try/src/ui.dart' show
+import 'package:try/src/ui.dart' show
     mainEditorPane,
     observer;
 
-import '../../site/try/src/user_option.dart' show
+import 'package:try/src/user_option.dart' show
     UserOption;
 
 import '../../pkg/expect/lib/expect.dart';