Fix for starting 'Rename LibraryElement' refactoring.

pkg/analysis_server/lib/src/edit/edit_domain.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 edit.domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
@@ skipping 350 matching lines @@
       engine.AnalysisContext context = server.getAnalysisContext(file);
       Source source = server.getSource(file);
       refactoring = new MoveFileRefactoring(
           server.resourceProvider.pathContext,
           searchEngine,
           context,
           source);
     }
     if (kind == RefactoringKind.RENAME) {
       List<AstNode> nodes = server.getNodesAtOffset(file, offset);
-      List<Element> elements = server.getElementsAtOffset(file, offset);
+      List<Element> elements = server.getElementsOfNodes(nodes, offset);
       if (nodes.isNotEmpty && elements.isNotEmpty) {
         AstNode node = nodes[0];
         Element element = elements[0];
         refactoring = new RenameRefactoring(searchEngine, element);
         feedback =
             new RenameFeedback(node.offset, node.length, 'kind', 'oldName');
       }
     }
     if (refactoring == null) {
       initStatus =
@@ skipping 108 matching lines @@
     }
     if (refactoring is RenameRefactoring) {
       RenameRefactoring renameRefactoring = refactoring;
       RenameOptions renameOptions = params.options;
       renameRefactoring.newName = renameOptions.newName;
       return renameRefactoring.checkNewName();
     }
     return new RefactoringStatus();
   }
 }