Revert "Revert "Refactor strong mode to use standard Analyzer errors""

pkg/analyzer/lib/src/task/options.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.task.options;
 
 import 'dart:collection';
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/plugin/options.dart';
 import 'package:analyzer/source/analysis_options_provider.dart';
 import 'package:analyzer/source/error_processor.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/utilities_general.dart';
 import 'package:analyzer/src/task/general.dart';
-import 'package:analyzer/src/task/strong/info.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/model.dart';
 import 'package:source_span/source_span.dart';
 import 'package:yaml/yaml.dart';
 
 /// The errors produced while parsing an analysis options file.
 ///
 /// The list will be empty if there were no errors, but will not be `null`.
 final ListResultDescriptor<AnalysisError> ANALYSIS_OPTIONS_ERRORS =
     new ListResultDescriptor<AnalysisError>(
@@ skipping 125 matching lines @@
 
   /// Lazily populated set of error codes (hashed for speedy lookup).
   static HashSet<String> _errorCodes;
 
   /// Legal error code names.
   static Set<String> get errorCodes {
     if (_errorCodes == null) {
       _errorCodes = new HashSet<String>();
       // Engine codes.
       _errorCodes.addAll(ErrorCode.values.map((ErrorCode code) => code.name));
-      // Strong-mode codes.
-      _errorCodes.addAll(StaticInfo.names);
     }
     return _errorCodes;
   }
 
   @override
   void validate(ErrorReporter reporter, Map<String, YamlNode> options) {
     var analyzer = options[AnalyzerOptions.analyzer];
     if (analyzer is YamlMap) {
       var filters = analyzer[AnalyzerOptions.errors];
       if (filters is YamlMap) {
@@ skipping 377 matching lines @@
           String feature = key.value?.toString();
           _applyLanguageOption(options, feature, value.value);
         }
       });
     } else if (configs is Map) {
       configs
           .forEach((key, value) => _applyLanguageOption(options, key, value));
     }
   }
 }