Implement 'analysis.getErrors' for the new driver.

pkg/analysis_server/test/context_manager_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 test.context.directory.manager;
 
 import 'dart:collection';
 
 import 'package:analysis_server/src/context_manager.dart';
 import 'package:analysis_server/src/utilities/null_string_sink.dart';
@@ skipping 1754 matching lines @@
     String filePath = path.posix.joinAll(pathComponents);
     resourceProvider.deleteFile(filePath);
   }
 
   /**
    * TODO(brianwilkerson) This doesn't add the strong mode processor when using
    * the new analysis driver.
    */
   ErrorProcessor getProcessor(AnalysisError error) =>
       callbacks.currentDriver == null
-          ? ErrorProcessor.getProcessor(callbacks.currentContext, error)
+          ? ErrorProcessor.getProcessor(
+              callbacks.currentContext.analysisOptions, error)
           : errorProcessors.firstWhere((ErrorProcessor p) => p.appliesTo(error),
               orElse: () => null);
 
   String newFile(List<String> pathComponents, [String content = '']) {
     String filePath = path.posix.joinAll(pathComponents);
     resourceProvider.newFile(filePath, content);
     return filePath;
   }
 
   String newFileFromBytes(List<String> pathComponents, List<int> bytes) {
@@ skipping 1038 matching lines @@
 class TestUriResolver extends UriResolver {
   Map<Uri, Source> uriMap;
 
   TestUriResolver(this.uriMap);
 
   @override
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     return uriMap[uri];
   }
 }