Get rid of use of dart:html in unittestlib.

client/testing/unittest/unittestsuite.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.
 
 /**
  * Description text of the current test group. If multiple groups are nested,
  * this will contain all of their text concatenated.
  */
 String _currentGroup = '';
 
@@ skipping 117 matching lines @@
 
 void forLayoutTests() {
   _isLayoutTest = true;
 }
 
 /** Runs all queued tests, one at a time. */
 _runTests() {
   window.postMessage('unittest-suite-start', '*');
   window.setTimeout(() {
     assert (_currentTest == 0);
+
     // Listen for uncaught errors.
-    try {
-      window.on.error.add(_onErrorClosure);
-    } catch(var e) {
-      // TODO(jacobr): remove this horrible hack when dartc bugs are fixed.
-      window.dynamic.onerror = _onErrorClosure;
-    }
+    window.onerror = _onErrorClosure;
     _nextBatch();
   }, 0);
 }
 
 /** Runs a single test. */
 _runTest(TestCase testCase) {
   try {
     // TODO(sigmund): remove this declaration once dartc supports trapping error
     // traces.
     var trace = '';
@@ skipping 34 matching lines @@
     if (!testCase.isComplete && testCase.callbacks > 0) return;
 
     _currentTest++;
   }
 
   _completeTests();
 }
 
 /** Publish results on the page and notify controller. */
 _completeTests() {
-  try {
-    window.on.error.remove(_onErrorClosure);
-  } catch (var e) {
-    // TODO(jacobr): remove this horrible hack to work around dartc bugs.
-    window.dynamic.onerror = null;
-  }
+  window.onerror = null;
 
   _state = _UNINITIALIZED;
 
   int testsFailed = 0;
   int testsErrors = 0;
   int testsPassed = 0;
 
   for (TestCase t in _tests) {
     if (t.success) testsPassed++;
     if (t.fail) testsFailed++;
@@ skipping 21 matching lines @@
           <tr><td colspan='3'>Total
             <span class='unittest-pass'>${testsPassed} passed</span>,
             <span class='unittest-fail'>${testsFailed} failed</span>
             <span class='unittest-error'>${testsErrors} errors</span>
           </td></tr>""");
     }
     newBody.add("</tbody></table>");
     document.body.innerHTML = newBody.toString();
   }
 
-  window.dynamic/*TODO(5389254)*/.postMessage('unittest-suite-done', '*');
+  window.postMessage('unittest-suite-done', '*');
 }
 
 void _onError(e) {
  if (_currentTest < _tests.length) {
     final testCase = _tests[_currentTest];
     // TODO(vsm): figure out how to expose the stack trace here
     // Currently e.message works in dartium, but not in dartc.
     testCase.recordError('(DOM callback has errors) Caught ${e}', '');
     _state = _UNCAUGHT_ERROR;
     if (testCase.callbacks > 0) {
@@ skipping 17 matching lines @@
   _tests = <TestCase>[];
   _onErrorClosure = (e) { _onError(e); };
 
   // Immediately queue the suite up. It will run after a timeout (i.e. after
   // main() has returned).
   listener(e) {
     _currentGroup = '';
     _runTests();
   };
 
-  try {
-    window.dynamic.on.contentLoaded.add(listener);
-  } catch(var e) {
-  // TODO(jacobr): remove this horrible hack to work around dartc bugs.
-    window.dynamic.addEventListener("DOMContentLoaded", listener, false);
-  }
+  window.addEventListener('DOMContentLoaded', listener, false);
 
   _state = _READY;
 }
 
 /**
  * Wraps an value and provides an "==" operator that can be used to verify that
  * the value matches a given expectation.
  */
 class Expectation {
   final _value;
@@ skipping 114 matching lines @@
         ''';
 
     if (stackTrace != null) {
       message +=
           '<tr><td></td><td colspan="2"><pre>${stackTrace}</pre></td></tr>';
     }
   }
 }
 
 typedef void TestFunction();