Convert EnginePlugin.taskDescriptors into a getter.

pkg/analyzer/lib/src/generated/engine.dart

 // Copyright (c) 2014, 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 code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine;
 
 import "dart:math" as math;
@@ skipping 5802 matching lines @@
   void set logger(Logger logger) {
     this._logger = logger == null ? Logger.NULL : logger;
   }
 
   /**
    * Return the task manager used to manage the tasks used to analyze code.
    */
   TaskManager get taskManager {
     if (_taskManager == null) {
       _taskManager = new TaskManager();
-      _taskManager.addTaskDescriptors(enginePlugin.taskDescriptors());
+      _taskManager.addTaskDescriptors(enginePlugin.taskDescriptors);
     }
     return _taskManager;
   }
 
   /**
    * Clear any caches holding on to analysis results so that a full re-analysis
    * will be performed the next time an analysis context is created.
    */
   void clearCaches() {
     partitionManager.clearCache();
@@ skipping 5902 matching lines @@
   visitElement(Element element) {
     if (element.id == _id) {
       result = element;
       throw new _ElementByIdFinderException();
     }
     super.visitElement(element);
   }
 }
 
 class _ElementByIdFinderException {}