unittest step 3 and 4: remove TestFramework.dart, make test.dart use

lib/unittest/dom_config.dart

 // Copyright (c) 2011, 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.
 
 /** Configuration for running tests in a browser using dart:dom. */
 #library('dom_config');
 
 #import('dart:dom');
 #import('unittest.dart');
 
@@ skipping 17 matching lines @@
   }
 
   void onStart() {
     window.postMessage('unittest-suite-wait-for-done', '*');
     // Listen for uncaught errors.
     window.addEventListener('error', _onErrorClosure, true);
   }
 
   void onTestResult(TestCase testCase) {}
 
-  void onDone(int passed, int failed, int errors, List<TestCase> results) {
+  void onDone(int passed, int failed, int errors, List<TestCase> results,
+      String uncaughtError) {
     window.removeEventListener('error', _onErrorClosure);
-    _showResultsInPage(passed, failed, errors, results, _isLayoutTest);
+    _showResultsInPage(passed, failed, errors, results, _isLayoutTest,
+        uncaughtError);
     window.postMessage('unittest-suite-done', '*');
   }
 }
 
 void useDomConfiguration([bool isLayoutTest = false]) {
   configure(new DomConfiguration(isLayoutTest));
 }