Revert 6ad38498c8673f1fbe3e12c49b1cf590305676dd (PARSED_UNIT).

pkg/analyzer/test/generated/incremental_resolver_test.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 analyzer.test.generated.incremental_resolver_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/context/cache.dart';
@@ skipping 1876 matching lines @@
       ClassElement typeB = oldUnitElement.getType('B');
       expect(oldUnitElement.getElementAt(typeB.nameOffset), typeB);
     }
   }
 
   void _assertCacheResults(
       {bool expectLibraryUnchanged: true,
       bool expectCachePostConstantsValid: true}) {
     _assertCacheSourceResult(TOKEN_STREAM);
     _assertCacheSourceResult(SCAN_ERRORS);
-    _assertCacheSourceResult(PARSED_UNIT1);
     _assertCacheSourceResult(PARSED_UNIT);
     _assertCacheSourceResult(PARSE_ERRORS);
-    _assertCacheSourceResult(RESOLVE_DIRECTIVES_ERRORS);
     if (!expectLibraryUnchanged) {
       return;
     }
     _assertCacheSourceResult(LIBRARY_ELEMENT1);
     _assertCacheSourceResult(LIBRARY_ELEMENT2);
     _assertCacheSourceResult(LIBRARY_ELEMENT3);
     _assertCacheSourceResult(LIBRARY_ELEMENT4);
     _assertCacheSourceResult(LIBRARY_ELEMENT5);
     _assertCacheSourceResult(LIBRARY_ELEMENT6);
     _assertCacheSourceResult(LIBRARY_ELEMENT7);
@@ skipping 425 matching lines @@
   void logException(Object exception, [Object stackTrace]) {
     lastException = exception;
     lastStackTrace = stackTrace;
   }
 
   @override
   logging.LoggingTimer startTimer() {
     return new logging.LoggingTimer(this);
   }
 }