Remove ElementLocator.locateWithOffset altogether.

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/edit/assist/assist_core.dart';
 import 'package:analysis_server/edit/fix/fix_core.dart';
@@ skipping 574 matching lines @@
     }
     if (kind == RefactoringKind.MOVE_FILE) {
       ContextSourcePair contextSource = server.getContextSourcePair(file);
       engine.AnalysisContext context = contextSource.context;
       Source source = contextSource.source;
       refactoring = new MoveFileRefactoring(
           server.resourceProvider, searchEngine, context, source, file);
     }
     if (kind == RefactoringKind.RENAME) {
       List<AstNode> nodes = server.getNodesAtOffset(file, offset);
-      List<Element> elements = server.getElementsOfNodes(nodes, offset);
+      List<Element> elements = server.getElementsOfNodes(nodes);
       if (nodes.isNotEmpty && elements.isNotEmpty) {
         AstNode node = nodes[0];
         Element element = elements[0];
         if (element is FieldFormalParameterElement) {
           element = (element as FieldFormalParameterElement).field;
         }
         // climb from "Class" in "new Class.named()" to "Class.named"
         if (node.parent is TypeName && node.parent.parent is ConstructorName) {
           ConstructorName constructor = node.parent.parent;
           node = constructor;
@@ skipping 123 matching lines @@
     }
     return new RefactoringStatus();
   }
 }
 
 /**
  * [_RefactoringManager] throws instances of this class internally to stop
  * processing in a manager that was reset.
  */
 class _ResetError {}