Improve how we handle packages/ HTML imports. This resolves better any valid

tools/testing/dart/test_controller.js

 // Copyright (c) 2013, 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.
 
 /*
  * The communication protocol between test_controller.js and the driving
  * page are JSON encoded messages of the following form:
  *   message = {
  *      is_first_message: true/false,
  *      is_status_update: true/false,
@@ skipping 216 matching lines @@
     recordEvent('window_compilationerror',
         'DOMContentLoaded event: window.compilationError = ' +
         calledwindow.compilationError);
     notifyDone('FAIL');
   }
 }
 
 window.addEventListener('DOMContentLoaded', onLoad, false);
 
 // Note: before renaming this function, note that it is also included in an
-// inlined error handler in the HTML files that wrap DRT tests.
+// inlined error handler in the HTML files that wrap DRT tests, and manually in

[kustermann, 2014/01/30 01:41:34]

"in the HTML files that wrap DRT tests" -> "in the generated HTML files" ? 

I don't think this is DRT specific.

[Siggi Cherem (dart-lang), 2014/01/30 02:25:00]

Done.

+// tests that include an HTML file.
 // See: tools/testing/dart/browser_test.dart
 function scriptTagOnErrorCallback(e) {
   var message = e && e.message;
   recordEvent('script_onerror', 'script.onError called: ' + message);
   notifyDone('FAIL');
 }
 
 // dart2js will generate code to call this function to handle the Dart
 // [print] method.
 //
@@ skipping 37 matching lines @@
   dartPrint('dart-calling-main');
   try {
     main();
   } catch (e) {
     recordEvent('sync_exception', 'Exception: ' + e + '\nStack: ' + e.stack);
     notifyDone('FAIL');
     return;
   }
   dartPrint('dart-main-done');
 }