Drop 'errorToJson', use server's AnalysisError.

pkg/analysis_server/lib/src/domain_analysis.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 domain.analysis;
 
 import 'dart:collection';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/computer/computer_hover.dart';
+import 'package:analysis_server/src/computer/error.dart';
 import 'package:analysis_server/src/constants.dart';
-import 'package:analysis_server/src/operation/operation_analysis.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_services/constants.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/error.dart';
+
 
 /**
  * Instances of the class [AnalysisDomainHandler] implement a [RequestHandler]
  * that handles requests in the `analysis` domain.
  */
 class AnalysisDomainHandler implements RequestHandler {
   /**
    * The analysis server that is using this handler to process requests.
    */
   final AnalysisServer server;
 
   /**
    * Initialize a newly created handler to handle requests for the given [server].
    */
   AnalysisDomainHandler(this.server);
 
   /**
    * Implement the `analysis.getErrors` request.
    */
   Response getErrors(Request request) {
     String file = request.getRequiredParameter(FILE).asString();
     server.onFileAnalysisComplete(file).then((_) {
       Response response = new Response(request.id);
       AnalysisErrorInfo errorInfo = server.getErrors(file);
       if (errorInfo == null) {
         response.setResult(ERRORS, []);
       } else {
-        response.setResult(ERRORS, errorInfo.errors.map((AnalysisError error) {
-          return errorToJson(errorInfo.lineInfo, error);
-        }).toList());
+        response.setResult(ERRORS, engineErrorInfoToJson(errorInfo));
       }
       server.sendResponse(response);
     }).catchError((message) {
       if (message is! String) {
         AnalysisEngine.instance.logger.logError(
             'Illegal error message during getErrors: $message');
         message = '';
       }
       Response response = new Response.getErrorsError(request, message);
       response.setResult(ERRORS, []);
@@ skipping 200 matching lines @@
 
 /**
  * A description of the change to the content of a file.
  */
 class ContentChange {
   String content;
   int offset;
   int oldLength;
   int newLength;
 }