More strong mode fixes for analyzer

pkg/analyzer/lib/src/task/model.dart

 // Copyright (c) 2015, 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 analyzer.src.task.model;
 
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/task/inputs.dart';
 import 'package:analyzer/task/model.dart';
 
 /**
  * The default [ResultCachingPolicy], results are never flushed.
  */
-const ResultCachingPolicy DEFAULT_CACHING_POLICY =
+const ResultCachingPolicy<Object> DEFAULT_CACHING_POLICY =
     const SimpleResultCachingPolicy(-1, -1);
 
 /**
  * A concrete implementation of a [ListResultDescriptor].
  */
 class ListResultDescriptorImpl<E> extends ResultDescriptorImpl<List<E>>
     implements ListResultDescriptor<E> {
   /**
    * Initialize a newly created analysis result to have the given [name] and
    * [defaultValue]. If a [cachingPolicy] is provided, it will control how long
@@ skipping 134 matching lines @@
   @override
   String toString() => name;
 
   /**
    * The function that will be used to determine the suitability of a task if no
    * other function is provided.
    */
   static TaskSuitability _defaultSuitability(AnalysisTarget target) =>
       TaskSuitability.LOWEST;
 }