Add CacheEntry.setErrorState().

pkg/analyzer/test/src/task/driver_test.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 test.src.task.driver_test;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/src/cancelable_future.dart';
@@ skipping 120 matching lines @@
 
     WorkOrder workOrder = driver.createNextWorkOrder();
     expect(workOrder, isNotNull);
     expect(workOrder.moveNext(), true);
     expect(workOrder.currentItem.target, priorityTarget);
   }
 
   test_createWorkOrderForResult_error() {
     AnalysisTarget target = new TestSource();
     ResultDescriptor result = new ResultDescriptor('result', null);
-    context.getCacheEntry(target).setState(result, CacheState.ERROR);
+    CaughtException exception = new CaughtException(null, null);
+    context
+        .getCacheEntry(target)
+        .setErrorState(<ResultDescriptor>[result], exception);
 
     expect(driver.createWorkOrderForResult(target, result), isNull);
   }
 
   test_createWorkOrderForResult_inProcess() {
     AnalysisTarget target = new TestSource();
     ResultDescriptor result = new ResultDescriptor('result', null);
     context.getCacheEntry(target).setState(result, CacheState.IN_PROCESS);
 
     expect(driver.createWorkOrderForResult(target, result), isNull);
@@ skipping 626 matching lines @@
   void setContents(Source source, String contents) {
     baseContext.setContents(source, contents);
   }
 
   @override
   void visitCacheItems(void callback(Source source, SourceEntry dartEntry,
       DataDescriptor rowDesc, CacheState state)) {
     baseContext.visitCacheItems(callback);
   }
 }