Update unittest to new package layout.

pkg/unittest/html_print.dart

-// Copyright (c) 2012, 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.
-
-/** This file is sourced by both dom_config.dart and html_config.dart. */
-
-/** Creates a table showing tests results in HTML. */
-void _showResultsInPage(int passed, int failed, int errors,
-    List<TestCase> results, bool isLayoutTest, String uncaughtError) {
-  if (isLayoutTest && (passed == results.length) && uncaughtError == null) {
-    document.body.innerHTML = "PASS";
-  } else {
-    var newBody = new StringBuffer();
-    newBody.add("<table class='unittest-table'><tbody>");
-    newBody.add(passed == results.length && uncaughtError == null
-        ? "<tr><td colspan='3' class='unittest-pass'>PASS</td></tr>"
-        : "<tr><td colspan='3' class='unittest-fail'>FAIL</td></tr>");
-
-    for (final test_ in results) {
-      newBody.add(_toHtml(test_));
-    }
-
-    if (uncaughtError != null) {
-        newBody.add('''<tr>
-          <td>--</td>
-          <td class="unittest-error">ERROR</td>
-          <td>Uncaught error: $uncaughtError</td>
-        </tr>''');
-    }
-
-    if (passed == results.length && uncaughtError == null) {
-      newBody.add("""
-          <tr><td colspan='3' class='unittest-pass'>
-            All ${passed} tests passed
-          </td></tr>""");
-    } else {
-      newBody.add("""
-          <tr><td colspan='3'>Total
-            <span class='unittest-pass'>${passed} passed</span>,
-            <span class='unittest-fail'>${failed} failed</span>
-            <span class='unittest-error'>
-            ${errors + (uncaughtError == null ? 0 : 1)} errors</span>
-          </td></tr>""");
-    }
-    newBody.add("</tbody></table>");
-    document.body.innerHTML = newBody.toString();
-  }
-}
-
-String _toHtml(TestCase test_) {
-  if (!test_.isComplete) {
-    return '''
-        <tr>
-          <td>${test_.id}</td>
-          <td class="unittest-error">NO STATUS</td>
-          <td>Test did not complete</td>
-        </tr>''';
-  }
-
-  var html = '''
-      <tr>
-        <td>${test_.id}</td>
-        <td class="unittest-${test_.result}">${test_.result.toUpperCase()}</td>
-        <td>Expectation: ${test_.description}. ${_htmlEscape(test_.message)}</td>
-      </tr>''';
-
-  if (test_.stackTrace != null) {
-    html = '$html<tr><td></td><td colspan="2"><pre>${_htmlEscape(test_.stackTrace)}</pre></td></tr>';
-  }
-
-  return html;
-}
-
-//TODO(pquitslund): Move to a common lib
-String _htmlEscape(String string) {
-  return string.replaceAll('&', '&amp;')
-               .replaceAll('<','&lt;')
-               .replaceAll('>','&gt;');
-}