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

lib/unittest/dom_config.dart

Index: lib/unittest/dom_config.dart
diff --git a/lib/unittest/dom_config.dart b/lib/unittest/dom_config.dart
index df4403cffe910dac8281bfa26dc89d6683aa31c0..d69b69be007cf1c728813a15a3ef052e77ca1dd7 100644
--- a/lib/unittest/dom_config.dart
+++ b/lib/unittest/dom_config.dart
@@ -35,9 +35,11 @@ class DomConfiguration extends Configuration {
 
   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', '*');
   }
 }