Use 'analysis.setSubscriptions' HIGHLIGHTS in Editor.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/AnalysisService.java

 /*
  * Copyright (c) 2014, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  * or implied. See the License for the specific language governing permissions and limitations under
  * the License.
  */
 package com.google.dart.server;
 
 /**
  * An enumeration of the services provided by the analysis domain.
  * 
  * @coverage dart.server
  */
 public enum AnalysisService {
   ERRORS,
-  HIGHLIGHT,
+  HIGHLIGHTS,
   NAVIGATION,
   OUTLINE;
 }