Fix warnings about unused code.

dart/site/try/src/editor.dart

 // Copyright (c) 2013, 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.
 
 library trydart.editor;
 
 import 'dart:html';
 
 import 'package:compiler/implementation/scanner/scannerlib.dart' show
     EOF_TOKEN,
@@ skipping 214 matching lines @@
 
   if (!foundNode) {
     outputDiv.appendText('$message\n');
   }
 
   observer.takeRecords();
   observer.observe(
       mainEditorPane, childList: true, characterData: true, subtree: true);
 }
 
-void inlineChildren(Element element) {
-  if (element == null) return;
-  var parent = element.parentNode;
-  if (parent == null) return;
-  for (Node child in new List.from(element.nodes)) {
-    child.remove();
-    parent.insertBefore(child, element);
-  }
-  element.remove();
-}
-
 Decoration getDecoration(Token token) {
   if (token is ErrorToken) {
     isMalformedInput = true;
     return new DiagnosticDecoration('error', token.assertionMessage);
   }
   String tokenValue = token.value;
   String tokenInfo = token.info.value;
   if (tokenInfo == 'string') return currentTheme.string;
   if (tokenInfo == 'identifier') {
     seenIdentifiers.add(tokenValue);
@@ skipping 14 matching lines @@
 
 diagnostic(text, tip) {
   if (text is String) {
     text = new Text(text);
   }
   return new AnchorElement()
       ..classes.add('diagnostic')
       ..append(text)
       ..append(tip);
 }