Remove references to Engine classes from protocol.dart

pkg/analysis_server/lib/src/services/refactoring/rename.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.rename;
 
 import 'dart:async';
 
-import 'package:analysis_server/src/protocol.dart' hide Element;
+import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analysis_server/src/services/correction/source_range.dart';
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring_internal.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 
 
@@ skipping 105 matching lines @@
         context = element.context,
         elementKindName = element.kind.displayName,
         oldName = _getDisplayName(element);
 
   /**
    * Adds a [SourceEdit] to update [element] name to [change].
    */
   void addDeclarationEdit(Element element) {
     if (element != null) {
       SourceRange range = rangeElementName(element);
-      SourceEdit edit = new SourceEdit.range(range, newName);
-      change.addElementEdit(element, edit);
+      SourceEdit edit = newSourceEdit_range(range, newName);
+      doSourceChange_addElementEdit(change, element, edit);
     }
   }
 
   /**
    * Adds [SourceEdit]s to update [matches] to [change].
    */
   void addReferenceEdits(List<SearchMatch> matches) {
     List<SourceReference> references = getSourceReferences(matches);
     for (SourceReference reference in references) {
       reference.addEdit(change, newName);
@@ skipping 35 matching lines @@
   static String _getDisplayName(Element element) {
     if (element is ImportElement) {
       PrefixElement prefix = element.prefix;
       if (prefix != null) {
         return prefix.displayName;
       }
     }
     return element.displayName;
   }
 }