Fix for recording dependency when the user is recorder before the provider.

pkg/analyzer/lib/src/context/cache.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.context.cache;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 761 matching lines @@
       }
     }
     thisData.dependedOnResults = dependedOn;
     int newLength = dependedOn.length;
     for (int i = 0; i < newLength; i++) {
       TargetedResult dependedOnResult = dependedOn[i];
       for (int j = 0; j < cacheLength; j++) {
         AnalysisCache cache = caches[j];
         CacheEntry entry = cache.get(dependedOnResult.target);
         if (entry != null) {
-          ResultData data = entry.getResultDataOrNull(dependedOnResult.result);
-          if (data != null) {
-            data.dependentResults.add(thisResult);
-          }
+          ResultData data = entry.getResultData(dependedOnResult.result);
+          data.dependentResults.add(thisResult);
         }
       }
     }
   }
 
   /**
    * Set states of the given and dependent results to [CacheState.ERROR] and
    * their values to the corresponding default values
    */
   void _setErrorState(ResultDescriptor descriptor, CaughtException exception) {
@@ skipping 696 matching lines @@
   void resultAccessed(TargetedResult result) {}
 
   @override
   List<TargetedResult> resultStored(TargetedResult newResult, newValue) {
     return TargetedResult.EMPTY_LIST;
   }
 
   @override
   void targetRemoved(AnalysisTarget target) {}
 }