Reorganize dartdoc to new package layout.

pkg/dartdoc/lib/src/client/client-live-nav.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.
 
 /** Provides client-side behavior for generated docs. */
 #library('client-live-nav');
 
 #import('dart:html');
 #import('dart:json');
-#import('../../lib/compiler/implementation/source_file.dart');
-#import('classify.dart');
-#import('markdown.dart', prefix: 'md');
+#import('../../../../../lib/compiler/implementation/source_file.dart');
+// TODO(rnystrom): Use "package:" URL (#4968).
+#import('../../classify.dart');
+#import('../../markdown.dart', prefix: 'md');
 
+// TODO(rnystrom): Use "package:" URL (#4968).
 #source('dropdown.dart');
 #source('search.dart');
-#source('nav.dart');
+#source('../dartdoc/nav.dart');
 #source('client-shared.dart');
 
 main() {
   setupLocation();
 
   enableCodeBlocks();
 
   // Request the navigation data so we can build the HTML for it.
   new HttpRequest.get('${prefix}nav.json', (request) {
     var json = JSON.parse(request.responseText);
@@ skipping 63 matching lines @@
     }
     html.add('</li>');
   }
 
   html.add('<ul class="icon">');
   types.forEach((typeInfo) =>
       writeType(kindToString(typeInfo[KIND]), typeInfo));
   exceptions.forEach((typeInfo) => writeType('exception', typeInfo));
   html.add('</ul>');
 }