Remove IMPORT_EXPORT_SOURCE_CLOSURE and IS_CLIENT results.

pkg/analyzer/lib/src/generated/incremental_resolver.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.
 
 library engine.incremental_resolver;
 
 import 'dart:collection';
 import 'dart:math' as math;
 
 import 'package:analyzer/src/context/cache.dart'
@@ skipping 883 matching lines @@
         return DeltaResult.KEEP_CONTINUE;
       }
     }
     if (isByTask(BuildCompilationUnitElementTask.DESCRIPTOR) ||
         isByTask(BuildDirectiveElementsTask.DESCRIPTOR) ||
         isByTask(BuildEnumMemberElementsTask.DESCRIPTOR) ||
         isByTask(BuildExportNamespaceTask.DESCRIPTOR) ||
         isByTask(BuildLibraryElementTask.DESCRIPTOR) ||
         isByTask(BuildPublicNamespaceTask.DESCRIPTOR) ||
         isByTask(BuildSourceExportClosureTask.DESCRIPTOR) ||
-        isByTask(BuildSourceImportExportClosureTask.DESCRIPTOR) ||
         isByTask(ComputeConstantDependenciesTask.DESCRIPTOR) ||
         isByTask(ComputeConstantValueTask.DESCRIPTOR) ||
         isByTask(ComputeLibraryCycleTask.DESCRIPTOR) ||
         isByTask(DartErrorsTask.DESCRIPTOR) ||
         isByTask(ReadyLibraryElement2Task.DESCRIPTOR) ||
         isByTask(ReadyLibraryElement5Task.DESCRIPTOR) ||
         isByTask(ReadyResolvedUnitTask.DESCRIPTOR) ||
         isByTask(ReadyResolvedUnit9Task.DESCRIPTOR) ||
         isByTask(ReadyResolvedUnit10Task.DESCRIPTOR) ||
         isByTask(EvaluateUnitConstantsTask.DESCRIPTOR) ||
@@ skipping 1234 matching lines @@
   @override
   String toString() => name;
 }
 
 class _TokenPair {
   final _TokenDifferenceKind kind;
   final Token oldToken;
   final Token newToken;
   _TokenPair(this.kind, this.oldToken, this.newToken);
 }