Implement 'analysis.getErrors' for the new driver.

pkg/analysis_server/lib/src/protocol_server.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 protocol.server;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/plugin/protocol/protocol_dart.dart';
 import 'package:analysis_server/src/services/correction/fix.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart'
@@ skipping 12 matching lines @@
 import 'package:analyzer/src/generated/utilities_dart.dart' as engine;
 
 export 'package:analysis_server/plugin/protocol/protocol.dart';
 export 'package:analysis_server/plugin/protocol/protocol_dart.dart';
 
 /**
  * Returns a list of AnalysisErrors corresponding to the given list of Engine
  * errors.
  */
 List<AnalysisError> doAnalysisError_listFromEngine(
-    engine.AnalysisContext context,
+    engine.AnalysisOptions analysisOptions,
     engine.LineInfo lineInfo,
     List<engine.AnalysisError> errors) {
   List<AnalysisError> serverErrors = <AnalysisError>[];
   for (engine.AnalysisError error in errors) {
-    ErrorProcessor processor = ErrorProcessor.getProcessor(context, error);
+    ErrorProcessor processor =
+        ErrorProcessor.getProcessor(analysisOptions, error);
     if (processor != null) {
       engine.ErrorSeverity severity = processor.severity;
       // Errors with null severity are filtered out.
       if (severity != null) {
         // Specified severities override.
         serverErrors
             .add(newAnalysisError_fromEngine(lineInfo, error, severity));
       }
     } else {
       serverErrors.add(newAnalysisError_fromEngine(lineInfo, error));
@@ skipping 212 matching lines @@
     if (lineInfo != null) {
       engine.LineInfo_Location offsetLocation =
           lineInfo.getLocation(range.offset);
       startLine = offsetLocation.lineNumber;
       startColumn = offsetLocation.columnNumber;
     }
   } on AnalysisException {}
   return new Location(
       source.fullName, range.offset, range.length, startLine, startColumn);
 }