Get dartdoc in the SDK and working correctly.

tests/utils/src/DartdocTest.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.
 
 /// Unit tests for doc.
 #library('dartdoc_tests');
 
-#import('../../../dartdoc/dartdoc.dart', prefix: 'dd');
-#import('../../../dartdoc/markdown.dart', prefix: 'md');
+#import('../../../lib/dartdoc/dartdoc.dart', prefix: 'dd');
+#import('../../../lib/dartdoc/markdown.dart', prefix: 'md');
 
 // TODO(rnystrom): Better path to unittest.
-#import('../../../../client/testing/unittest/unittest_vm.dart');
-#import('../../../../frog/lang.dart');
-#import('../../../../frog/file_system_vm.dart');
+#import('../../../client/testing/unittest/unittest_vm.dart');
+#import('../../../frog/lang.dart');
+#import('../../../frog/file_system_vm.dart');
 
 main() {
   var files = new VMFileSystem();
   parseOptions('../../frog', [], files);
   initializeWorld(files);
 
   group('countOccurrences', () {
     test('empty text returns 0', () {
       expect(dd.countOccurrences('', 'needle')).equals(0);
     });
@@ skipping 94 matching lines @@
     test('from nested to directory with different path', () {
       doc.startFile('dir/sub/file.html');
       expect(doc.relativePath('other/file.html')).equals(
           '../../other/file.html');
     });
   });
 
   group('name reference', () {
     // TODO(rnystrom): The paths here are a bit strange. They're relative to
     // where test.dart happens to be invoked from.
-    final dummyPath = 'utils/tests/dartdoc/src/dummy.dart';
+    final dummyPath = 'tests/utils/src/dummy.dart';
 
     // TODO(rnystrom): Bail if we couldn't find the test file. The problem is
     // that loading dummy.dart is sensitive to the location that dart was
     // *invoked* from and not relative to *this* file like we'd like. That
     // means these tests only run correctly from one place. Unfortunately,
     // test.py/test.dart runs this from one directory and frog/presubmit.py
     // runs it from another.
     // See Bug 1145.
     var fileSystem = new VMFileSystem();
     if (!fileSystem.fileExists(dummyPath)) {
@@ skipping 75 matching lines @@
 
     test('to a named constructor', () {
       expect(render(doc.resolveNameReference('new Class.namedConstructor',
                   library: dummy))).
         equals('<a class="crossref" ' +
             'href="../dummy/Class.html#new:Class.namedConstructor">new ' +
             'Class.namedConstructor</a>');
     });
   });
 }