Clean up many generated constructors

pkg/analysis_server/lib/src/services/refactoring/extract_method.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 services.src.refactoring.extract_method;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analysis_server/src/services/correction/name_suggestion.dart';
@@ skipping 107 matching lines @@
   @override
   List<RefactoringMethodParameter> get parameters => _parameters;
 
   @override
   void set parameters(List<RefactoringMethodParameter> parameters) {
     _parameters = parameters.toList();
   }
 
   @override
   String get refactoringName {
-    AstNode node = new NodeLocator.con1(selectionOffset).searchWithin(unit);
+    AstNode node = new NodeLocator(selectionOffset).searchWithin(unit);
     if (node != null &&
         node.getAncestor((node) => node is ClassDeclaration) != null) {
       return 'Extract Method';
     }
     return 'Extract Function';
   }
 
   String get signature {
     StringBuffer sb = new StringBuffer();
     if (createGetter) {
@@ skipping 1062 matching lines @@
       return false;
     }
     for (int i = 0; i < parameterTypes.length; i++) {
       if (other.parameterTypes[i] != parameterTypes[i]) {
         return false;
       }
     }
     return true;
   }
 }